Table 1 Demographic, epidermiological characteristics, and underlying comorbidities of patients with confirmed 2019-nCoV infection
Variables | Total (N = 487) | Mild (N = 438) | Severe (N = 49) | P value |
|---|---|---|---|---|
Age (years) | 46 (19) | 45 (19) | 56 (17) | < 0.001 |
Sex | ||||
 Male | 259 (53.2%) | 223 (50.9%) | 36 (73.5%) |  |
 Female | 228 (46.8%) | 215 (49.1%) | 13 (26.5%) | 0.003 |
Occupation | ||||
 Agricultural worker | 140 (28.7%) | 122 (27.9%) | 18 (36.7%) |  |
 Self-employed | 219 (45.0%) | 203 (46.3%) | 16 (32.7%) |  |
 Employee | 82 (16.8%) | 79 (18.0%) | 3 (6.1%) |  |
 Retired | 38 (7.8%) | 26 (5.9%) | 12 (24.5%) |  |
 Student | 8 (1.6%) | 8 (1.8%) | 0 (0%) | < 0.001 |
Smoking history | ||||
 Yes | 40 (8.2%) | 34 (7.8%) | 6 (12.2%) |  |
 No | 434 (89.1%) | 391 (89.3%) | 43 (87.8%) |  |
 Unknown | 13 (2.7%) | 13 (2.7%) | 0 (0%) | 0.331 |
Comorbidities | ||||
 Hypertension | 99 (20.3%) | 73 (16.7%) | 26 (53.1%) | < 0.001 |
 Diabetes | 29 (6.0%) | 22 (5.0%) | 7 (14.3%) | 0.009 |
 Cardiovascular disease | 11 (2.3%) | 7 (1.6%) | 4 (8.2%) | 0.003 |
 Malignancy | 5 (1%) | 3 (0.7%) | 2 (4.1%) | 0.025 |
 Chronic liver diseases | 22 (4.5%) | 20 (4.6%) | 2 (4.1%) | 0.877 |
 Chronic renal diseases | 7 (1.4%) | 5 (1.1%) | 2 (4.1%) | 0.101 |
 Others | 32 (6.6%) | 27 (6.1%) | 5 (10.2%) | 0.279 |
Exposure to confirmed cases | 186 (38.2%) | 173 (39.5%) | 13 (26.5%) | 0.077 |
Family cluster | ||||
 0 | 392 (80.5%) | 352 (80.4%) | 40 (81.6%) |  |
 1 | 67 (13.8%) | 63 (14.4%) | 4 (8.2%) |  |
 2 | 12 (2.5%) | 12 (2.7%) | 0 (0%) |  |
 ≥ 3 | 16 (3.3%) | 11 (2.5%) | 5 (10.2%) | 0.031 |
Recent travel or residence to/in epidemic area | 309 (63.4%) | 285 (65.1%) | 24 (49.0%) | 0.027 |
Time from onset of symptom to admission | 2 (3) | 2 (3) | 3 (5) | 0.10 |