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Table 1 Demographic characteristics, underlying conditions, symptoms and lab findings of 394 pregnant patients*
| Variables | Value |
|---|---|
| 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) |
