Table 1.
Demographics
| Training / validation dataset | Test dataset | |
|---|---|---|
| Total no. of patients | 1083 | 273 |
| Male | 627 (57.8%) | 153 (56%) |
| Female | 456 (42.1%) | 120 (43.9%) |
| Age | ||
| 18–59 | 595 (54.9%) | 156 (57.1%) |
| 59–74 | 279 (25.7%) | 67 (24.5%) |
| 74–90 | 209 (19.2%) | 50 (18.3%) |
| Smoking history | 232 (21.4%) | 50 (18.3%) |
| Body mass index, mean ± std | 29.3 ± 5.8 | 29.4 ± 6.0 |
| Disease history | ||
| Hypertension | 386 (35.6%) | 103 (37.7%) |
| Diabetes | 216 (19.9%) | 58 (21.2%) |
| Chronic heart disease | 148 (13.6%) | 45 (16.4%) |
| Chronic kidney disease | 66 (6%) | 15 (5.4%) |
| Chronic lung disease | 158 (14.5%) | 46 (16.8%) |
| Malignancy | 77 (7.1%) | 16 (5.8%) |
| Outcomes | ||
| Death | 137 (12.6%) | 43 (15.7%) |
| Discharge | 946 (87.3%) | 230 (84.2%) |
| ICU admission | 166 (15.3%) | 47 (17.2%) |
| Ventilation | 200 (18.4%) | 60 (21.9%) |