Table 1.
Baseline characteristics of the study participants
| All (N = 962) | Survivor (N = 875) | Nonsurvivor (N = 87) | p value | N | |
|---|---|---|---|---|---|
| Age, mean ± SD, years | 50.2 (15.9) | 48.9 (15.4) | 63.5 (14.8) | <0.001 | 962 |
| BMI, mean ± SD, kg/m2 | 29.0 (6.18) | 29.1 (6.28) | 28.2 (5.31) | 0.221 | 606 |
| Sex | |||||
| Female | 344 (35.9) | 327 (37.5) | 17 (19.5) | 0.001 | 959 |
| Male | 615 (64.1) | 545 (62.5) | 70 (80.5) | ||
| Smoking | |||||
| Current smoker | 38 (14.1) | 32 (13.8) | 6 (15.8) | 0.694 | 270 |
| Ex-smoker | 28 (10.4) | 23 (9.91) | 5 (13.2) | ||
| Never smoked | 204 (75.6) | 177 (76.3) | 27 (71.1) | ||
| Source of transmission | |||||
| Community | 346 (40.2) | 305 (39.4) | 41 (47.7) | <0.001 | 860 |
| Contact | 386 (44.9) | 349 (45.1) | 37 (43.0) | ||
| Healthcare worker | 22 (2.56) | 22 (2.84) | 0 (0.00) | ||
| Hospital acquired | 11 (1.28) | 6 (0.78) | 5 (5.81) | ||
| Imported | 95 (11.0) | 92 (11.9) | 3 (3.49) | ||
| Admission to discharge, days [IQR] | 15.0 [2.00; 52.0] | 14.0 [2.00; 47.0] | 23.0 [5.00; 73.5] | <0.001 | 950 |
| Hypertension | 324 (33.7) | 263 (30.1) | 61 (70.1) | <0.001 | 962 |
| Diabetes mellitus | 335 (34.8) | 288 (32.9) | 47 (54.0) | <0.001 | 962 |
| Cardiovascular disease | 79 (8.21) | 60 (6.86) | 19 (21.8) | <0.001 | 962 |
| Chronic lung disease | 87 (9.04) | 82 (9.37) | 5 (5.75) | 0.353 | 962 |
| Chronic kidney disease | 43 (4.47) | 32 (3.66) | 11 (12.6) | 0.001 | 962 |
| Immunosuppression | 16 (1.66) | 11 (1.26) | 5 (5.75) | 0.011 | 962 |
The values are N (%) unless specified otherwise. BMI, body mass index; IQR, interquartile range; SD, standard deviation.