Age, years
|
median years (IQR)
|
25 (23-28)
|
≤ 20 y (%)
|
23/375 (6.1)
|
20-35 y (%)
|
331/375 (88.3)
|
> 35 y (%)
|
21/375 (5.6)
|
Han Chinese (%)
|
371/393 (94.4)
|
Job
|
Farmer (%)
|
200/389 (51.4)
|
Unemployed (%)
|
84/389 (21.6)
|
Others (%)†
|
105/389 (27.0)
|
BMI, median (IQR)
|
26.0 (23.4-29.3)
|
≤ 25.0 (%)
|
99/243 (40.7)
|
25-30 (%)
|
99/243 (40.7)
|
30-35 (%)
|
35/243 (14.4)
|
> 35 (%)
|
10/243 (4.1)
|
Gestational age§
| |
1st trimester (0-14 week) (%)
|
20/394 (5.1)
|
2nd trimester (15-27 week) (%)
|
88/394 (22.3)
|
3rd trimester (≥ 28 week) (%)
|
286/394 (72.6)
|
Chronic pre-existing disease
|
Respiratory diseases** (%)
|
11/388 (2.8)
|
Cardiovascular diseases*** (%)
|
13/393 (3.3)
|
Diabetes mellitus (%)
|
4/394 (1.0)
|
Cancer or hematological diseases (%)
|
3/394 (0.8)
|
Immune suppressed (%)
|
1/390 (0.3)
|
Pneumonia (%)
|
351/390 (90.0)
|
Symptoms and Lab findings
|
T ≥ 38°C (%)
|
340/374 (90.9)
|
Cough (%)
|
372/393 (94.7)
|
Dyspnoea (%)
|
199/393 (50.6)
|
Hemoptysis (%)
|
55/392 (14.0)
|
Pleural effusion (%)
|
44/226 (19.5)
|
CNS symptom ※ (%)
|
48/392 (12.2)
|
WBC (×109/L)
|
7.4 ± 3.7
|
Platelet (×109/L)
|
169.0 ± 65.7
|
CK > 200 u/L (%)
|
77/306 (19.5)
|
CRP (mg/L)
|
42 (16-101)
|
ESR (mm/h)
|
35 (23-50)
|
PaO2/FiO2, median (IQR)
|
154.7 (89.5-320.5)
|
APACHE II scores, median (IQR)
|
7 (4-11)
|