Corpus overview


Overview

MeSH Disease

Human Phenotype

Fever (16)

Cough (12)

Dyspnea (6)

Pneumonia (5)

Hypertension (4)


Transmission

Seroprevalence
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    Ruling In and Ruling Out COVID-19: Computing SARS-CoV-2 Infection Risk TRANS Infection Risk TRANS From Symptoms, Imaging and Test Data.

    Authors: Chistopher D'Ambrosia; Henrik Christensen; Eliah Aronoff-Spencer

    doi:10.1101/2020.09.18.20197582 Date: 2020-09-22 Source: medRxiv

    Background: Assigning meaningful probabilities of SARS CoV2 infection risk TRANS infection risk TRANS presents a diagnostic challenge across the continuum of care. Methods: We integrated patient symptom and test data using machine learning and Bayesian inference to quantify individual patient risk of SARS CoV 2 infection MESHD. We trained models with 100,000 simulated patient profiles based on thirteen symptoms, estimated local prevalence SERO, imaging, and molecular diagnostic performance SERO from published reports. We tested these models with consecutive patients who presented with a COVID 19 compatible illness at the University of California San Diego Medical Center over 14 days starting in March 2020. Results: We included 55 consecutive patients with fever HP fever MESHD (78%) or cough HP cough MESHD (77%) presenting for ambulatory (n=11) or hospital care (n=44). 51% (n=28) were female TRANS, 49% were age TRANS <60. Common comorbidities included diabetes MESHD (22%), hypertension HP hypertension MESHD (27%), cancer MESHD (16%) and cardiovascular disease MESHD (13%). 69% of these (n=38) were RT-PCR confirmed positive for SARS CoV2 infection, 11 had repeated negative nucleic acid testing and an alternate diagnosis. Bayesian inference network, distance metric learning, and ensemble models discriminated between patients with SARS CoV2 infection MESHD and alternate diagnoses with sensitivities SERO of 81.6 to 84.2%, specificities of 58.8 to 70.6%, and accuracies of 61.4 to 71.8%. After integrating imaging and laboratory test statistics with the predictions of the Bayesian inference network, changes in diagnostic uncertainty at each step in the simulated clinical evaluation process were highly sensitive to location, symptom, and diagnostic test choices. Conclusions: Decision support models that incorporate symptoms and available test results can help providers diagnose SARS CoV2 infection MESHD in real world settings.

    Estimates of the rate of infection MESHD and asymptomatic TRANS COVID-19 disease in a population sample from SE England

    Authors: Philippa M Wells; Katie M Doores; Simon Couvreur; Rocio Martin Martinez; Jeffrey Seow; Carl Graham; Sam Acors; Neophytos Kouphou; Stuart Neil; Richard Tedder; Pedro Matos; Kate Poulton; Maria Jose Lista; Ruth Dickenson; Helin Sertkaya; Thomas Maguire; Edward Scourfield; Ruth Bowyer; Deborah Hart; Aoife O'Byrne; Kathryn Steele; Oliver Hemmings; Carolina Rosadas; Myra McClure; Joan Capedevila-Pujol; Jonathan wolf; Sebastien Ourseilin; Matthew Brown; Michael Malim; Timothy Spector; Claire Steves

    doi:10.1101/2020.07.29.20162701 Date: 2020-07-30 Source: medRxiv

    Background: Understanding of the true asymptomatic TRANS rate of infection of SARS-CoV-2 MESHD is currently limited, as is understanding of the population-based seroprevalence SERO after the first wave of COVID-19 within the UK. The majority of data thus far come from hospitalised patients, with little focus on general population cases, or their symptoms. Methods: We undertook enzyme linked immunosorbent assay SERO characterisation of IgM and IgG responses against SARS-CoV-2 spike glycoprotein and nucleocapsid protein of 431 unselected general-population participants of the TwinsUK cohort from South-East England, aged TRANS 19-86 (median age TRANS 48; 85% female TRANS). 382 participants completed prospective logging of 14 COVID-19 related symptoms via the COVID Symptom Study App, allowing consideration of serology alongside individual symptoms, and a predictive algorithm for estimated COVID-19 previously modelled on PCR positive individuals from a dataset of over 2 million. Findings: We demonstrated a seroprevalence SERO of 12% (51participants of 431). Of 48 seropositive individuals with full symptom data, nine (19%) were fully asymptomatic TRANS, and 16 (27%) were asymptomatic TRANS for core COVID-19 symptoms: fever HP fever MESHD, cough HP cough MESHD or anosmia HP anosmia MESHD. Specificity of anosmia HP anosmia MESHD for seropositivity was 95%, compared to 88% for fever HP fever MESHD cough HP and anosmia HP anosmia MESHD combined. 34 individuals in the cohort were predicted to be Covid-19 positive using the App algorithm, and of those, 18 (52%) were seropositive. Interpretation: Seroprevalence SERO amongst adults TRANS from London and South-East England was 12%, and 19% of seropositive individuals with prospective symptom logging were fully asymptomatic TRANS throughout the study. Anosmia HP demonstrated the highest symptom specificity for SARS-CoV-2 antibody SERO response. Funding: NIHR BRC, CDRF, ZOE global LTD, RST-UKRI/MRC

    Emergency high ligation in a suspected COVID-19 pediatric patient with incarcerated inguinal hernia MESHD inguinal hernia HP: a case report

    Authors: Munawir Makkadafi; Aditya Rifqi Fauzi; Amsyar Praja; Kemala Athollah; . Marcellus; . Gunadi

    doi:10.21203/rs.3.rs-40812/v1 Date: 2020-07-09 Source: ResearchSquare

    Background SARS-Cov-2 infects MESHD not only adults TRANS, but also children TRANS, including pediatric surgery patients with acute abdomen. Here, we report a pediatric surgery case with incarcerated inguinal hernia MESHD inguinal hernia HP and suspected COVID-19.Case presentation: A 11-month-old male TRANS was brought to our emergency department with the main complaint of recurrent yellowish-green vomiting HP vomiting MESHD that was experienced from one day before admission. High fever MESHD fever HP and shortness of breath MESHD were also reported. This patient was also suffering from moderate dehydration HP dehydration MESHD. Neither history of contact with a confirmed case TRANS of COVID-19 nor traveling TRANS from any local transmission TRANS area were found. However, a SARS-CoV-2 rapid antibody test SERO revealed a positive result. A lump in the left scrotum that persisted during admission was found. Fluid resuscitation and nasogastric tube placement for decompression was performed. Manual reduction was attempted but failed to reduce the lump. Accordingly, we decided to perform an emergency high ligation using tertiary protection regulations, i.e., full personal protective equipment (PPE) for COVID-19. Intraoperatively, we found a small intestine loop trapped in the scrotum and stuck in the inguinal canal. Postoperatively, the baby was continued to be managed as a patient with COVID-19 while waiting for the real-time reverse transcription polymerase chain reaction (RT-PCR) results.Conclusions During the COVID-19 pandemic, surgeons should always be aware of the possibility of cross- transmission TRANS from the patient, since children TRANS are also susceptible to SARS-CoV-2 infection MESHD. When and wherever possible, surgeons should perform the procedure in the quickest and most effective manner to shorten exposure time with patient and anesthetic aerosols as well as using appropriate PPE.

    Association of age TRANS, sex, comorbidities, and clinical symptoms with the severity and mortality of COVID-19 cases: a meta-analysis with 85 studies and 67299 cases

    Authors: Mohammad Safiqul Islam; Md. Abdul Barek; Md. Abdul Aziz; Tutun Das Aka; Md. Jakaria

    doi:10.1101/2020.05.23.20110965 Date: 2020-05-26 Source: medRxiv

    Background: A new pathogenic disease named COVID-19 became a global threat, first reported in Wuhan, China, in December 2019. The number of affected cases growing exponentially and now, more than 210 countries confirmed the cases TRANS. Objective: This meta-analysis aims to evaluate risk factors, the prevalence SERO of comorbidity, and clinical characteristics in COVID-19 death MESHD patients compared to survival patients that can be used as a reference for further research and clinical decisions. Methods: PubMed, Science Direct, SAGE were searched to collect data about demographic, clinical characteristics, and comorbidities of confirmed COVID-19 patients from January 1, 2020, to May 17, 2020. Meta-analysis was performed with the use of Review Manager 5.3 Results: Eighty-five studies were included in Meta-analysis, including a total number of 67,299 patients with SARS-CoV-2 infection MESHD. Males TRANS are severely affected or died than females TRANS (OR = 2.26, p < 0.00001; OR = 3.59, p < 0.00001) are severely affected, or died by COVID-19 and cases with age TRANS [≥]50 are at higher risk of death MESHD than age TRANS <50 years (OR=334.23). Presence of any comorbidity or comorbidities like hypertension HP hypertension MESHD, cardiovascular disease MESHD, diabetes MESHD, cerebrovascular disease MESHD, respiratory disease MESHD, kidney disease MESHD, liver disease MESHD, malignancy MESHD significantly increased the risk of death compared to survival (OR = 3.46, 3.16, 4.67, 2.45, 5.84, 2.68, 5.62, 2.81,2.16). Among the clinical characteristics such as fever HP fever MESHD, cough HP cough MESHD, myalgia HP myalgia MESHD, diarrhea HP diarrhea MESHD, abdominal pain HP abdominal pain MESHD, dyspnea HP dyspnea MESHD, fatigue HP fatigue MESHD, sputum production, chest tightness HP chest tightness MESHD headache HP and nausea or vomiting HP nausea or vomiting MESHD, only fatigue HP fatigue MESHD (OR = 1.31, 95%) and dyspnea HP dyspnea MESHD increased the death significantly (OR= 1.31, 4.57). The rate of death of COVID-19 cases is 0.03-times lower than the rate of survival (OR = 0.03). Conclusion Our result indicates that male TRANS patients are affected severely or died, the rate of death is more in the age TRANS [≥]50 group, and the rate of death is affected by comorbidities and clinical symptoms.

    Clinical research and factors associated with prolonged duration of viral shedding in patients with COVID-19

    Authors: Di Tian; Lin Wang; Xiankun Wang; Ziruo Ge; Shuping Cui; Yanli Xu; Rui Song; Meihua Song; Bing Han; Wei Zhang; Dawei Tan; Xingang Li; Yang Zhou; Sujuan Zhang; Li Yang; Peipei Meng; Le Sun; Xingwang Li; Zhihai Chen

    doi:10.21203/rs.3.rs-29818/v1 Date: 2020-05-19 Source: ResearchSquare

    Background Towards the end of December 2019, the Wuhan health commission declared an outbreak of clusters of pneumonia HP pneumonia MESHD in patients. Sequencing indicated that this disease (COVID-19) was caused by a novel coronavirus (SARS-CoV-2). The outbreak of COVID-19 is currently still underway.Methods We recruited 75 SARS-CoV-2 infected MESHD patients admitted to the Center of Infectious Disease division 2 of Beijing Ditan Hospital from Jan 20 to Mar 20, 2020. Epidemiological, demographic, clinical, radiological features, laboratory data were analyzed.Results Of the 75 patients, 42(56%) patients were male TRANS and 33(44%) patients were female TRANS. The mean age TRANS of all patients was 41.5 ± 19.4 years. Male TRANS patients were more likely to become severe. There were 9 family clusters accounted for 44 patients. Patients classified as being severe had a higher frequency of fever HP fever MESHD upon admission than patients classified as moderate cases. For moderate patients, the median duration of viral shedding was 25(9.5, 42) days (range 1–63 days) from the first positive nucleic acid test compared to 14(9, 21.25) days (range 2–62 days) for severe cases. The difference between the two groups was statistically significant (p = 0.041). Cox regression analyses indicated that disease status and CRP were the factors that affect the duration of viral shedding. Virus clearance was significantly faster in severe patients compared to moderate patients(p = 0.011), and patients with CRP range in 2–10 times higher than upper limit of normal value had longer duration of viral shedding(p = 0.012). CRP and CD4 + T lymphocyte was negative correlated, and the relationship between CRP and CD4 + T lymphocyte was statistically significant (P = 0.003), with a correlation coefficient of -0.564. During the second week following the onset of illness, severe cases had higher WBC, NEU and CRP, but lower LYM, MON and EOS as compared with moderate cases (all P < 0.05). Severe cases still had lower lymphocyte counts and higher CRP than moderate cases in the third week.Conclusions Viral clearance was significantly prolonged in moderate patients, and those CRP in 2–10 times higher than upper limit of normal value. Immune response may affect the duration of viral shedding. Severe cases had a persistence lower lymphocyte count and higher CRP than moderate cases.

    Epidemiological,clinical and radiological findings in medical staff with COVID-19 in Wuhan, China: a single-centered, retrospective cohort study

    Authors: Jie Liu; Liu Ouyang; Pi Guo; Haisheng Wu; Peng Fu; Yuliang Chen; Dan Yang; Xiaoyu Han; Yukun Cao; Osamah Alwalid; Hanping Wu; Heshui Shi; Fan Yang; Yu Hu; Chuansheng Zheng

    doi:10.21203/rs.3.rs-28753/v1 Date: 2020-05-14 Source: ResearchSquare

    Backgrounds In December 2019, a pneumonia HP pneumonia MESHD associated with the severe acute respiratory syndrome coronavirus 2 MESHD (SARS-Cov-2) emerged in Wuhan city, China. As of 20 Feb 2020, a total of 2,055 medical staff infected with SARS-Cov-2 in China had been reported. The predominant cause of the infection MESHD and the failure of protection among medical staff remains unclear. We sought to explore the epidemiological, clinical characteristics and prognosis of novel coronavirus-infected MESHD medical staff.Methods Medical staff who infected with SARS-Cov-2 and admitted to Union Hospital, Wuhan between 16 Jan, 2020 to 25 Feb, 2020 were included retrospectively. Epidemiological, clinical and radiological data were compared by occupation and analyzed with the Kaplan-Meier and Cox regression methods.Results A total of 101 medical staff (32 males TRANS and 69 females TRANS; median age TRANS: 33 years old) were included in this study and 74% were nurses. None had an exposure to Huanan seafood wholesale market or wildlife. A small proportion of the cohort had contact with specimens (3%) as well as patients infected with SARS-Cov-2 in fever HP clinics (15%) and isolation wards (3%). 80% of medical staff showed abnormal IL-6 levels and 33% had lymphocytopenia MESHD. Chest CT mainly manifested as bilateral (62%), septal/subpleural (77%) and ground­glass opacities (48%). The major differences between doctors and nurses manifested in laboratory indicators. As of the last observed date, no patient was transferred to intensive care unit or died, and 98 (97%) had been discharged. Fever HP Fever MESHD (HR=0.57; 95% CI 0.36-0.90) and IL-6 levels greater than >2.9 pg/ml (HR=0.50; 95% CI 0.30-0.86) on admission were unfavorable factors for discharge.Conclusions Our findings suggested that the infection of medical staff mainly occurred at the early stages of SARS-CoV-2 epidemic MESHD in Wuhan, and only a small proportion of infection MESHD had an exact mode. Meanwhile, medical staff infected with COVID-19 have relatively milder symptoms and favorable clinical course than other ordinary patients, which may be partly due to their medical expertise, younger age TRANS and less underlying diseases. The potential risk factors of presence of fever HP fever MESHD and IL-6 levels greater than >2.9 pg/ml could help to identify medical staff with poor prognosis at an early stage.

    On the Front (Phone) Lines: Results of a COVID-19 Hotline in Northeast Ohio

    Authors: David Margolius; Mary Hennekes; Jimmy Yaho; Douglas Einstadter; Douglas Gunzler; Nabil Chehade; Ashwini R Sehgal; Yasir Tarabichi; Adam T Perzynski

    doi:10.1101/2020.05.08.20095745 Date: 2020-05-13 Source: medRxiv

    ABSTRACT Importance: Severe acute respiratory syndrome coronavirus (SARS-CoV-2) MESHD and the associated coronavirus disease of 2019 (COVID-19) have presented immense challenges for health care systems. Many regions have struggled to adapt to disruptions to health care practice and employ systems that effectively manage the demand for services. Objective: To examine the effectiveness of the first five weeks of a 24/7 physician-staffed COVID-19 hotline. Design: Cohort study using electronic health records. Setting: A single large health care system in Northeast Ohio. Participants: During 5 weeks of operation, 10,112 patients called the hotline (callers) and were evaluated by a registered nurse (RN) using standardized protocols. Of these, 4,213 (42%) were referred for a physician telehealth visit (telehealth patients). The mean age TRANS of callers was 42 years. 67% were female TRANS, 51% white, and 46% were on Medicaid or uninsured. Intervention: Physician telehealth visits for COVID-19. Main Outcomes and Measures: We describe clinical diagnosis, patient characteristics ( age TRANS, sex race/ethnicity, smoking status, insurance status), and visit disposition. We use logistic regression to evaluate associations between patient characteristics, visit disposition and subsequent emergency department use, hospitalization, and SARS-Cov-2 PCR testing. Results: Common caller concerns included cough HP, fever HP fever MESHD, and shortness of breath MESHD. Most telehealth patients (79%) were advised to self-isolate at home, 14% were determined to be unlikely to have COVID-19, 3% were advised to seek emergency care, and 4% had miscellaneous other dispositions. A total of 287 (7%) patients had a subsequent ED visit, and 44 (1%) were hospitalized with a COVID-19 diagnosis. Of the callers, 482 (5%) had a COVID-19 test reported with 69 (14%) testing positive. Among patients advised to stay at home, 83% had no further face-to-face visits. In multivariable results, only a physician recommendation to seek emergency care was associated with emergency room use (OR=4.73, 95%CI 1.37-16.39, p=.014). Only older age TRANS was associated with having a positive test result. Conclusions and Relevance: Robust, physician-directed telehealth services can meet a wide range of needs during the acute phase of a pandemic, conserving scarce resources such as personal protective equipment and testing supplies and preventing the spread of infections to patients and health care workers.

    Low albumin levels are associated with poorer outcomes in a case series of COVID-19 patients in Spain: a retrospective cohort study

    Authors: Roberto de la Rica; Marcio Borges; Maria Aranda; Alberto del Castillo; Antonia Socias; Antoni Payeras; Gemma Rialp; Lorenzo Socias; Lluis Masmiquel; Marta Gonzalez-Freire

    doi:10.1101/2020.05.07.20094987 Date: 2020-05-11 Source: medRxiv

    OBJECTIVE To describe the clinical characteristics and epidemiological features of severe (non-ICU) and critically patients (ICU) with COVID-19 at triage, prior hospitalization, in one of the main hospitals in The Balearic Islands health care system. DESIGN Retrospective observational study SETTING Son Llatzer University Hospital in Palma de Mallorca MESHD (Spain) PARTICIPANTS Among a cohort of 52 hospitalized patients as of 31 March 2020, 48 with complete demographic information and severe acute respiratory syndrome coronavirus 2 MESHD (SARS-CoV-2) positive test, were analyzed. Data were collected between March 15th, 2020, and March 31th 2020, inclusive of these dates. MAIN OUTCOMES Clinical, vital signs and routine laboratory outcomes at the time of hospitalization, including symptoms reported prior to hospitalization. Demographics and baseline comorbidities were also collected. Mortality was reported at the end of the study. RESULTS 48 patients (27 non-ICU and 21 ICU) resident in Mallorca, Spain (mean age TRANS, 66 years, [range, 33-88 years]; 67% males TRANS) with positive SARS-CoV-2 infection MESHD were analyzed. There were no differences in age TRANS or sex among groups (p >.05). Initial symptoms included fever HP fever MESHD (100%), coughing HP (85%), dyspnea HP dyspnea MESHD (76%), diarrhea HP diarrhea MESHD (42%) and asthenia HP asthenia MESHD (21%). The majority of patients in this case series were hospitalized because of low SpO2 (SpO2 below 90%) and presentation of bilateral pneumonia MESHD pneumonia HP (94%) at triage. ICU patients had a higher prevalence SERO of dyspnea HP dyspnea MESHD compared to non-ICU patients (95% vs 61%, p = .022). Acute respiratory syndrome MESHD ( ARDS MESHD) was presented in 100% of the ICU-patients. All the patients included in the study required oxygen therapy. ICU-patients had lymphopenia HP lymphopenia MESHD as well as hypoalbuminemia HP hypoalbuminemia MESHD. Inflammatory markers such as lactate dehydrogenase (LDH), C-reactive protein (CRP), and procalcitonin were significantly higher in ICU patients compared to non-ICU (p < .001).Lower albumin levels were associated with poor prognosis measured as longer hospital length (r= -0.472, p

    Clinical characteristics of 116 hospitalized patients with COVID-19 in Wuhan, China: a single-centered, retrospective, observational study

    Authors: Shiqiang Xiong; Lin Liu; Feng Lin; Jinhu Shi; Lei Han; Huijian Liu; Lewei He; Qijun Jiang; Zeyang Wang; Wenbo Fu; Zhigang Li; Qing Lu; Zhinan Chen; Shifang Ding

    doi:10.21203/rs.3.rs-26358/v2 Date: 2020-05-01 Source: ResearchSquare

    Background A cluster of acute respiratory illness MESHD, now known as Corona Virus Disease MESHD 2019 (COVID-19) caused by 2019 novel coronavirus (SARS-CoV-2), has become a global pandemic. Aged TRANS population with cardiovascular diseases MESHD are more likely be to infected with SARS-CoV-2 and result in more severe outcomes and elevated case-fatality rate. Meanwhile, cardiovascular diseases MESHD have a high prevalence SERO in the middle- aged TRANS and elderly TRANS population. However, despite of several researches in COVID-19, cardiovascular implications related to it still remains largely unclear. Therefore, a specific analysis in regard to cardiovascular implications of COVID-19 patients is in great need.Methods In this single-centered, retrospective, observational study, 116 patients with laboratory-confirmed COVID-19 were enrolled, who admitted to the General Hospital of Central Theater Command (Wuhan, China) from January 20 to March 8, 2020. The demographic data, underlying comorbidities, clinical symptoms and signs, laboratory findings, chest computed tomography, treatment measures, and outcome data were collected from electronic medical records. Data were compared between non-severe and severe cases. Results Of 116 hospitalized patients with COVID-19, the median age TRANS was 58.5 years (IQR, 47.0-69.0), and 36 (31.0%) were female TRANS. Hypertension HP Hypertension MESHD (45 [38.8%]), diabetes MESHD (19 [16.4%]), and coronary heart disease MESHD (17 [14.7%]) were the most common coexisting conditions. Common symptoms included fever HP fever MESHD [99 (85.3%)], dry cough MESHD cough HP (61 [52.6%]), fatigue HP fatigue MESHD (60 [51.7%]), dyspnea HP dyspnea MESHD (52 [44.8%]), anorexia HP anorexia MESHD (50 [43.1%]), and chest discomfort (50 [43.1%]). Local and/or bilateral patchy shadowing were the typical radiological findings on chest computed tomography. Lymphopenia HP Lymphopenia MESHD (lymphocyte count, 1.0 × 109/L [IQR, 0.7-1.3]) was observed in 66 patients (56.9%), and elevated lactate dehydrogenase (245.5 U/L [IQR, 194.3-319.8]) in 69 patients (59.5%). Hypokalemia HP Hypokalemia MESHD occurred in 24 (20.7%) patients. Compared with non-severe cases, severe cases were older (64.0 years [IQR, 53.0-76.0] vs 56.0 years [IQR, 37.0-64.0]), more likely to have comorbidities (35 [63.6%] vs 24 [39.3%]), and more likely to develop acute cardiac injury MESHD (19 [34.5%] vs 4 [6.6%]), acute heart failure MESHD (18 [32.7%] vs 3 [4.9%]), and ARDS (20 [36.4%] vs 0 [0%]). During hospitalization, the prevalence SERO of new onset hypertension HP hypertension MESHD was significantly higher in severe patients (55.2% vs 19.0%) than in non-severe ones.Conclusions In this single-centered, retrospective, observational study, we found that the infection of SARS-CoV-2 MESHD was more likely to occur in middle and aged TRANS population with cardiovascular comorbidities. Cardiovascular complications MESHD, including new onset hypertension HP hypertension MESHD and heart injury MESHD were common in severe patients with COVID-19. More detailed researches in cardiovascular involvement in COVID-19 are urgently needed to further understand the disease.

    Preliminary study to identify severe from moderate cases of COVID-19 using NLR&RDW-SD combination parameter

    Authors: changzheng wang; Chengbin Li

    doi:10.1101/2020.04.09.20058594 Date: 2020-04-14 Source: medRxiv

    Objectives: Investigate the characteristics and rules of hematology changes in patients with COVID-19, and explore the possibility to identify moderate and severe patients using conventional hematology parameters or combined parameters. Methods: The clinical data of 45 moderate and severe type patients with SARS-CoV-2 infections MESHD in Jingzhou Central Hospital from January 23 to February 13, 2020 were collected. The epidemiological indexes, clinical symptoms and laboratory test results of the patients were retrospectively analyzed. Those parameters with significant differences between the two groups were analyzed, and the combination parameters with best diagnostic performance SERO were selected using the LDA method. Results: Of the 45 patients with COVID-19 (35 moderate and 10 severe cases), 23 were male TRANS and 22 female TRANS, aged TRANS 16-62 years. The most common clinical symptoms were fever HP fever MESHD (89%) and dry cough MESHD cough HP (60%). As the disease progressed, WBC, Neu#, NLR, PLR, RDW-CV and RDW-SD parameters in the severe group were significantly higher than that in the moderate group (P<0.05); meanwhile, Lym#, Eos#, HFC%, RBC, HGB and HCT parameters in the severe group were significantly lower than that in the moderate group (P<0.05). For NLR, the AUC, the best cut-off value, the sensitivity SERO and the specificity were 0.890, 13.39, 83.3% and 82.4% respectively, and for PLR , the AUC, the best cut-off, the sensitivity SERO and the specificity were 0.842, 267.03, 83.3% and 74.0% respectively. The combined parameter NLR&RDW-SD had the best diagnostic efficiency (AUC was 0.938) and when the cut-off value was 1.046, the sensitivity SERO and the specificity were 90.0% and 84.7% respectively, followed by the fitting parameter NLR&RDW-CV (AUC = 0.923). When the cut-off value was 0.62, the sensitivity SERO and the specificity for distinguishing severe type from moderate cases of COVID-19 were 90.0% and 82.4% respectively. Conclusions: The combined parameter NLR&RDW-SD is the best hematology index and can help clinicians to predict the severity of COVID-19 patients, and it can be used as a useful indicator to help prevent and control the epidemic.

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MeSH Disease
Human Phenotype
Transmission
Seroprevalence


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