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Table 1 Demographics and clinical characteristics of COVID-19 patients on admission

From: Non-febrile COVID-19 patients were common and often became critically ill: a retrospective multicenter cohort study

 Total (n = 252)Febrile (n = 197)Non-febrile (n = 55)P value
Age, years
 ≤ 2926 (10%)16 (8%)10 (18%)0.121
 30–49106 (42%)85 (43%)21 (38%)
 50–6994 (37%)73 (37%)21 (38%)
 ≥ 7026 (10%)23 (12%)3 (5%)
Sex
 Female110 (44%)82 (42%)28 (51%)0.231
 Male141 (56%)114 (58%)27 (49%)
Temperature, °C
 < 37.355 (22%)055 (100%)< 0.001
 37.3–38.0104 (41%)104 (53%)0
 38.1–3980 (32%)80 (41%)0
 39.1–4113 (5%)13 (7%)0
Signs and symptoms
 Cough177 (70%)145 (74%)32 (58%)0.027
 Myalgia42 (17%)33 (17%)9 (16%)0.946
 Cephalalgia22 (9%)12 (6%)10 (18%)0.005
 Sputum105 (42%)92 (47%)13 (24%)0.002
 Hemoptysis4 (2%)4 (2%)00.579
 Diarrhea28 (11%)23 (12%)5 (9%)0.590
 Dyspnea35 (14%)28 (14%)7 (13%)0.768
 Poor appetite140 (56%)117 (59%)23 (42%)0.020
Comorbidity
 Hypertension48 (19%)39 (20%)9 (16%)0.566
 Diabetes18 (7%)14 (7%)4 (7%)1.000
 Digestive tract disease4 (2%)2 (1%)2 (4%)0.444
 Cardiovascular disease10 (4%)8 (4%)2 (4%)1.000
 Cerebrovascular disease3 (1%)3 (2%)01.000
 Malignancy4 (2%)2 (1%)2 (4%)0.444
 Liver disease6 (2%)3 (2%)3 (5%)0.234
 Chronic lung disease8 (3%)5 (3%)3 (5%)0.512
Treatments and outcomes
 Oxygen supplementation200 (79%)157 (80%)43 (78%)0.806
 Mechanical ventilation10 (4%)9 (5%)1 (2%)0.594
 ECMO4 (2%)4 (2%)00.579
 Critically ill52 (21%)40 (20%)12 (22%)0.806
 ARDS21 (8%)17 (9%)4 (7%)0.963
 ICU admission43 (17%)34 (17%)9 (16%)0.876
 Mortality6 (2%)6 (3%)00.344
  1. Data are median (IQR) or n (%). P values comparing febrile and non-febrile are from Mann-Whitney U test, χ2 test, or Fisher’s exact test, as appropriate
  2. Medical records of COVID-19 patients were accessed from Jingzhou Hospital of Traditional Chinese Medicine (61 cases), Jianli Hospital of Traditional Chinese Medicine (41 cases), Jingzhou Central Hospital (21 cases), Dongguan People’s Hospital (14 cases), Jieyang People’s Hospital (8 cases), Shangrao People’s Hospital (12 cases), Shangrao No.2 People’s Hospital (3 cases), Poyang People’s Hospital (53 cases), Yugan People’s Hospital (3 cases), Wuyuan People’s Hospital (5 cases), Dexing People’s Hospital (3 cases), Guangfeng People’s Hospital (16 cases), Yushan People’s Hospital (9 cases), Yanshan People’s Hospital (2 cases), and Wannian People’s Hospital (1 case)
  3. ECMO extracorporeal membrane oxygenation, ARDS acute respiratory distress syndrome, ICU intensive care unit