Table 4.
Demographic, epidemiological and clinical characteristics of confirmed Covid-19 patients
| Characteristics | Total confirmed patients (n = 1390) | Face-to-face follow-up patients (n = 157) |
Telephone follow-up patients (n = 1233) |
P value |
|---|---|---|---|---|
| Age (years) | 0.917 | |||
| 0–39 | 818 (58.9) | 93 (59.2) | 725(58.8) | |
| 40–89 | 572 (41.2) | 64 (40.8) | 508 (41.2) | |
| Gender | 0.352 | |||
| Male | 853 (61.4) | 91 (58.0) | 762 (61.8) | |
| Occupation | < 0.001** | |||
| Students or children | 277 (19.9) | 30 (19.1) | 247 (20.0) | |
| Retirees | 179 (12.9) | 28 (17.8) | 151 (12.3) | |
| Civilian staff | 259 (18.6) | 53 (33.8) | 206 (16.7) | |
| Other occupations | 675 (48.6) | 46 (29.3) | 629 (51.0) | |
| Healthcare workers | 8 (0.6) | 3 (1.9) | 5 (0.4) | 0.019* |
| Pregnant women | 7(1.3) | 2(3.0) | 5(1.1) | 0.187 |
| BMI (kg/m2) | 0.048* | |||
| < 24.0 | 499 (59.1) | 80 (52.0) | 419 (60.6) | |
| ≥ 24.0 | 346 (41.0) | 74 (48.1) | 272 (39.4) | |
| Residency | < 0.001** | |||
| Within Shanghai | 232 (16.7) | 65 (41.4) | 167 (13.5) | |
| Outside Shanghai | 947 (68.1) | 85 (54.1) | 862 (69.9) | |
| Foreign born | 211 (15.2) | 7 (4.5) | 204 (16.5) | |
| Cigarette smoking | 112 (13.0) | 18 (12.2) | 94 (13.1) | 0.750 |
| Alcohol drinking | 197 (23.0) | 45 (30.4) | 152 (21.4) | 0.018* |
| Comorbidities | ||||
| Diabetes | 44 (5.0) | 7 (4.6) | 37 (5.0) | 0.815 |
| High blood pressure | 86 (10.6) | 17 (13.5) | 69 (10.0) | 0.243 |
| Heart disease | 27 (3.1) | 3 (2.0) | 24 (3.3) | 0.392 |
| Abroad imported case | 1041 (74.9) | 61 (38.9) | 980 (79.5) | < 0.001** |
| Involved in a cluster | 381 (27.4) | 48 (30.6) | 333 (27.0) | 0.3456 |
| Clinical intensity | < 0.001** | |||
| Mild | 657 (47.3) | 49 (31.2) | 608 (49.3) | |
| Normal | 725 (52.2) | 108 (68.8) | 617 (50.0) | |
| Severe or critical | 8 (0.6) | 0 (0.0) | 8 (0.7) | |
| Duration from onset to admission, days | 2.0 [1.0, 6.0] | 4.0 [2.0, 7.0] | 2.0 [1.0, 6.0] | 0.002** |
| Duration from admission to discharge, days | 13.0 [10.0, 19.0] | 14.0 [10.0, 21.0] | 13.0 [10.0, 18.0] | 0.031* |
Continuous variables are reported as median [IQR] and categorical variables as number (percentage)
*P < 0.05; **P < 0.01