Research Article

Comparative Analysis of 95 Patients with Different Severity in the Early Outbreak of COVID-19 in Wuhan, China

Table 1

Baseline characteristics of COVID-19 patients.

CharacteristicsAll patientsDisease severity value
CommonSevereCritical

Number9554 (56.8%)27 (28.4%)14 (14.7%)
Age, yrs
 Mean ± SD57.3 ± 14.751.7 ± 14.163.7 ± 12.566.4 ± 11.2<0.001
 Median (IQR)60 (48.0–67.0)52.0 (41.5–64.0)65.0 (52.0–73.0)66.5 (59.0–76.0)
Age groups, n (%)<0.001
 18–40 yrs15 (15.8)13 (24.1)2 (7.4)0 (0)
 41–65 yrs52 (54.7)33 (61.1)12 (44.4)7 (50.0)
 ≥66 yrs28 (29.5)8 (14.8)13 (48.1)7 (50.0)
Sex, n (%)
 Male53 (55.8)22 (40.7)20 (74.1)11 (78.6)0.003
 Female42 (44.2)32 (59.3)7 (25.9)3 (21.4)
Medical staffs and their families, n (%)4 (4.2)2 (3.7)1 (3.7)1 (7.1)0.839
Exposure history, n (%)33 (34.7)16 (29.6)12 (44.4)5 (35.7)0.417
 Exposure to Huanan seafood market6 (6.3)2 (3.7)3 (11.1)1 (7.1)0.430
 Exposure to agricultural market27 (28.4)14 (25.9)9 (33.3)4 (28.6)0.784
Infection clusters, n (%)38 (40.0)23 (42.6)13 (48.1)2 (14.3)0.093
Contacts with suspected or confirmed patients, n (%)58 (61.1)34 (63.0)16 (59.3)8 (57.1)0.901
Comorbidities, n (%)
 Hypertension33 (34.7)14 (25.9)14 (51.9)5 (35.7)0.069
 Diabetes8 (8.4)2 (3.7)4 (14.8)2 (14.3)0.164
 Cardiovascular and cerebrovascular diseases13 (13.7)3 (5.6)6 (22.2)4 (28.6)0.026
Symptoms and signs, n (%)
 Fever86 (90.5)48 (88.9)25 (92.6)13 (92.9)0.822
 Maximum temperature, °C0.294
  <37.39 (9.5)6 (11.1)2 (7.4)1 (7.1)
  37.3–38.018 (18.9)13 (24.1)3 (11.1)2 (14.3)
  38.1–39.049 (51.6)29 (53.7)13 (48.1)7 (50.0)
  >39.019 (20.0)6 (11.1)9 (33.3)4 (28.6)
 Cough73 (76.8)41 (75.9)19 (70.4)13 (92.9)0.262
 Fatigue50 (52.6)23 (42.6)17 (63.0)10 (71.4)0.070
 Shortness of breath44 (46.3)16 (29.6)16 (59.3)12 (85.7)<0.001
 Chest tightness41 (43.2)19 (35.2)17 (63.0)5 (35.7)0.049
 Dyspnea32 (33.7)14 (25.9)11 (40.7)7 (50.0)0.155
 Chill24 (25.3)13 (24.1)7 (25.9)4 (28.6)0.938
 Myalgia22 (23.2)10 (18.5)11 (40.7)1 (7.1)0.025
 Diarrhea21 (22.1)15 (27.8)3 (11.1)3 (21.4)0.234
 Anorexia17 (17.9)10 (18.5)5 (18.5)2 (14.3)0.930
 Pharyngalgia17 (17.9)12 (22.2)3 (11.1)2 (14.3)0.436
 Expectoration17 (17.9)9 (16.7)3 (11.1)5 (35.7)0.140
 Headache16 (16.8)8 (14.8)7 (25.9)1 (7.1)0.261
 Nausea16 (16.8)10 (18.5)4 (14.8)2 (14.3)0.881
 Joint pain15 (15.8)8 (14.8)6 (22.2)1 (7.1)0.435
 Chest pain11 (11.6)4 (7.4)5 (18.5)2 (14.3)0.319
 Nasal obstruction9 (9.5)5 (9.3)2 (7.4)2 (14.3)0.773
 Rhinorrhea6 (6.3)3 (5.6)2 (7.4)1 (7.1)0.940
 Vomiting7 (7.4)4 (7.4)3 (11.1)0 (0)0.434
 Conjunctival congestion2 (2.1)2 (3.7)0 (0)0 (0)0.460
 Stomach ache2 (2.1)0 (0)1 (3.7)1 (7.1)0.200
Isolation, n (%)85 (89.5)49 (90.7)24 (88.9)12 (85.7)0.856
 Days from onset to first visit2.0 (0–7.0)2.0 (0–5.8)4.5 (1.0–7.3)2.0 (0–6.0)0.303
 Days from onset to diagnosis8.0 (3.5–12.0)7.0 (3.0–12.0)8.5 (4.0–12.3)9.0 (5.8–13.3)0.564
 Days from first visit to diagnosis4.0 (0–8.0)3.0 (0–8.0)2.5 (0–6.5)6.0 (0.5–9.5)0.558
 Days from onset to isolation1.0 (0–5.0)1.0 (0–4.5)2.0 (0–6.0)0 (0–2.0)0.222
 Days from onset to hospitalization11 (7–13)10 (6–12)11 (7–15)11 (6.0–13.5)0.350

Data are presented as n (%), mean ± standard deviation (SD), or medians (interquartile ranges, IQR).