Table 1.
Demographic and epidemiological characteristics of patients with COVID-19.
| All patients (n = 47) | Hospitalization days < 21 (n = 20) | Hospitalization days ≥ 21 (n = 27) | P value | |
|---|---|---|---|---|
| Age, median (IQR), years | 38 (31–50) | 35 (31–45) | 41 (31–54) | 0.13 |
| BMI, Median (IQR) (kg/m2) | 23.9 (20.7–26.4) (n = 39) | 23.4 (21.7–25.8) (n = 19) | 24.1 (20.1–28.3) (n = 20) | 0.77 |
| < 18.5 | 3 (7.69) | 2 (10.53) | 1 (5.00) | 0.79 |
| ≥ 23 | 23 (58.97) | 12 (63.16) | 11 (55.00) | 0.19 |
| Sex, male | 24 (51.06) | 8 (40.00) | 16 (59.26) | 0.19 |
| Exposure of seafood market in South China | 1 (2.13) | 1 (5.00) | 0 | 0.43 |
| Live in Wuhan ≥ 2 weeks | 34 (72.34) | 15 (75.00) | 19 (70.37) | 0.73 |
| Complications | ||||
| Hypertension | 10 (21.28) | 3 (15.00) | 7 (25.93) | 0.59 |
| Diabetes | 5 (10.64) | 3 (15.00) | 2 (7.41) | 0.72 |
| Cerebrovascular disease | 1 (2.13) | 0 | 1 (3.70) | > 0.99 |
| Malignant tumor | 1 (2.13) | 1 (5.00) | 0 | 0.43 |
| Chronic liver disease | 11 (23.40) | 6 (30.00) | 5 (18.52) | 0.57 |
| Respiratory disease | 4 (8.51) | 1 (5.00) | 3 (11.11) | 0.83 |
| Previous surgery | 9 (19.15) | 4 (20.00) | 5 (18.52) | > 0.99 |
| Signs and symptoms | ||||
| Fever | 39 (82.98) | 15 (75.00) | 24 (88.89) | 0.39 |
| Dry cough | 11 (23.40) | 3 (15.00) | 8 (29.63) | 0.41 |
| Expectoration | 26 (55.32) | 13 (65.00) | 13 (48.15) | 0.25 |
| Hemoptysis | 4 (8.51) | 1 (5.00) | 3 (11.11) | 0.83 |
| Fatigue | 19 (40.43) | 6 (30.00) | 13 (48.15) | 0.21 |
| Anorexia | 6 (12.77) | 0 | 6 (22.22) | 0.03 |
| Headache | 8 (17.02) | 4 (20.00) | 4 (14.81) | 0.94 |
| Diarrhea | 10 (21.28) | 1 (5.00) | 9 (33.33) | 0.03 |
| Pharyngalgia | 13 (27.66) | 6 (30.00) | 7 (25.93) | 0.76 |
| Shortness of breath | 9 (19.15) | 4 (20.00) | 5 (18.52) | > 0.99 |
| Chest tightness/pain | 11 (23.40) | 5 (25.00) | 6 (22.22) | > 0.99 |
| Stuffy and runny nose | 7 (14.89) | 3 (15.00) | 4 (14.81) | > 0.99 |
| Nausea and vomiting | 2 (4.26) | 0 | 2 (7.41) | 0.50 |
| Time from onset to admission (Quartile interval, day) | 3 (1–6) (n = 46) | 3 (2–6) | 2 (1–5) (n = 26) | 0.35 |
| Partial oxygen pressure (quartile interval, mmHg) | 90.7 (79.3–104) (n = 36) | 92.2 (80.1–106) (n = 15) | 89.1 (77.1–103) (n = 21) | 0.29 |
| Oxygenation index (quartile interval) | 431.5 (366.3–494.8) (n = 36) | 439 (382–505) (n = 15) | 424 (358–490) (n = 21) | 0.29 |
| Mean arterial pressure (quartile interval, mmHg) | 97 (87–104) (n = 46) | 93 (87–103) (n = 20) | 97 (89–102) (n = 26) | 0.28 |
| Heart rate (per minute) | 89 (85–96) | 89 (86–99) | 89 (84–92) | 0.21 |
| Respiratory rate (per minute) | 20 (20–21) | 20 (20–20) | 20 (20–22) | 0.65 |
Normal BMI (Asia standard): 18.5–22.9 kg/m2.
BMI body mass index, IQR interquartile range.