Table 1.
Baseline characteristics of patients infected with SARS-CoV-2
| Characteristics | All patients (n = 154) |
Mild type (n = 122) |
Severe type (n = 32) |
P value^ |
|---|---|---|---|---|
| Age, years | 154 (42.4) | 39.9 ± 14.97 | 52.2 ± 13.99 | < 0.001 |
| Sex | ||||
| Male | 86 (55.8) | 63 (51.6) | 23 (71.8) | |
| Female | 68 (44.1) | 59 (48.4) | 9 (28.1) | 0.041 |
| Comorbidities | ||||
| Hypertension | 23 (14.9) | 13 (10.7) | 10 (31.3) | 0.004 |
| Diabetes | 11 (7.1) | 3 (2.5) | 8 (25) | < 0.001* |
| Chronic liver disease | 12 (7.8) | 9 (7.4) | 3 (9.4) | 0.714* |
| Coronary heart disease | 3 (1.9) | 3 (2.5) | 0 | 1.000* |
| Malignant tumor | 3 (1.9) | 1 (0.8) | 2 (6.3) | 0.109* |
| Cerebrovascular disease | 2 (1.3) | 2 (1.6) | 0 | 1.000* |
| COPD | 2 (1.3) | 0 | 2 (6.3) | 0.042* |
| AIDS | 1 (0.6) | 1 (0.8) | 0 | 1.000* |
| Signs and symptoms | ||||
| Fever | 133 (86.4) | 102 (83.6) | 31 (96.9) | 0.052 |
| Maximum temperature, °C | 133 | 38 (37.7–38.5) | 38.6 (38.5–39) | < 0.001 |
| Fatigue | 92 (59.7) | 65 (53.2) | 27 (84.4) | 0.002 |
| Dry cough | 106 (68.8) | 80 (65.6) | 26 (81.3) | 0.204 |
| Expectoration | 60 (38.9) | 47 (38.5) | 13 (40.6) | 0.829 |
| Chills | 23 (14.9) | 15 (12.3) | 8 (25) | 0.073 |
| Chest tightness | 30 (19.5) | 13 (10.7) | 17 (53.1) | < 0.001 |
| Onset of symptom to hospital admission, median (IQR), days | 154 | 3 (2–7) | 7 (3.5–10) | 0.004 |
| Temperature on admission, °C | 154 | 36.9 (36.5–37.5) | 37 (36.6–37.7) | 0.287 |
| Respiratory frequency on admission, bpm | 153 | 20 (19–21) | 20 (19–22) | 0.679 |
| Pulse on admission, bpm | 153 | 85 (80–96) | 91 (75–101) | 0.838 |
| Systolic blood pressure on admission, median (IQR), mmHg | 153 | 127 (119–140) | 129 (116–141) | 0.839 |
| Diastolic pressure on admission, median (IQR), mmHg | 153 | 85 (75–92) | 84 (74–93) | 0.652 |
*Fisher's exact test
^P values indicate differences between mild and severe patients. A P value < 0.05 was considered as statistically significant