Clinical Characteristics of SARS-CoV-2 Pneumonia Compared to Controls in Chinese Han Population

Yang Xu; Yi-rong Li; Qiang Zeng; Zhi-bing Lu; Yong-zhe Li; Wei Wu; Sheng-yong Dong; Gang Huang; Xing-huan Wang

This report, to our knowledge, is the first retrospective multicenter study of COVID-19 with normal controls. The study population included 69 hospitalized COVID-19 patients without comorbidities and 14,117 normal controls. 50.7% patients were male and 49.3% were female; 1.5% patients were asymptomatic cases, 63.8% patients were mild cases, and 36.2% patients were severe or critical cases. The median incubation period was 4 days (IQR, 2 to 7). The median age of the patients was 57 years (IRQ, 43 to 69); 39.1% of the patients were older than 60 years of age. Fever was present in 98.6% of the patients. The second most common symptom was cough (62.3%), fatigue (58.0%), sputum (39.1%), and headache (33.3%). Less common symptoms were chill, sore throat, shortness of breath, anorexia, diarrhea, nausea, All rights reserved. No reuse allowed without permission. author/funder, who has granted medRxiv a license to display the preprint in perpetuity. There is no acute kidney injury since serum creatinine level is within a normal range ( Table 1, Table 2 ), indicating that patients with comorbidities might prone to acute kidney injury. 14 For the asymptomatic case, we speculate that the patient is currently taking HIV medications and the medication is interfering with the results of RT-PCR. Further research and observation are needed.