Table 1. Demographic and preoperative characteristics of patients.
| Variable | Total patients n = 264 | COVID-19 (-) n = 236 (89.4%) | COVID-19 (+) n = 28 (10.6%) | p value | |
|---|---|---|---|---|---|
| Age, years (mean ± SD) | 35.2 ± 20.5 | 33.9 ± 20.7 | 45 ± 15.1 | .006 | |
| Age groups | |||||
| <10 years | 39 (14.8%) | 39 (16.5%) | |||
| 10–19 years | 27 (10.2%) | 26 (11.0%) | 1 (3.6%) | ||
| 20–29 years | 38 (14.4%) | 34 (14.4%) | 4 (14.3%) | ||
| 30–39 years | 41 (15.5%) | 38 (16.1%) | 3 (10.7%) | ||
| 40–49 years | 36 (13.6%) | 27 (11.4%) | 9 (32.1%) | ||
| 50–59 years | 41 (15.5%) | 37 (15.7%) | 4 (14.3%) | ||
| 60–69 years | 34 (12.9%) | 28 (11.9%) | 6 (21.4%) | ||
| ≥ 70 years | 8 (3.0%) | 7 (3.0%) | 1 (3.6%) | ||
| Sex | |||||
| Female | 138 (52.3%) | 124 (52.5%) | 14 (50%) | .843 | |
| Male | 126 (47.7%) | 112 (47.5%) | 14 (50%) | ||
| Major surgery in last three months | |||||
| Yes | 32 (12.1%) | 24 (10.2%) | 8 (28.6%) | .010 | |
| No | 232 (87.9%) | 212 (89.8%) | 20 (71.7%) | ||
| Hypertension | |||||
| Yes | 21 (8.0%) | 12 (5.1%) | 9 (32.1%) | < .001 | |
| No | 243 (92.0%) | 224 (94.9%) | 19 (67.9%) | ||
| Diabetes mellitus | |||||
| Yes | 24 (9.1%) | 16 (6.8%) | 8 (28.6%) | .001 | |
| No | 240 (90.9%) | 220 (93.2%) | 20 (71.4%) | ||
| Smoking history | |||||
| Yes | 53 (20.1%) | 49 (20.8%) | 4 (14.3%) | .617 | |
| No | 211 (79.9%) | 187 (79.2%) | 24 (85.7%) | ||