Table 1 Patient demographics in the pre-COVID-19 (PC) and COVID-19 (C) groups
Variable | PC (n = 304) | C (n = 276) | p value |
|---|---|---|---|
Age, years, mean (SD) | 82.4 (10.5) | 81.3 (11.2) | 0.243 |
Gender %, M:F | 48.7:54.3 | 51.3:45.7 | 0.201 |
ASA, n (%) | |||
 1 | 6 (2.0) | 4 (1.5) | 0.628 |
 2 | 71 (23.4) | 74 (26.8) | 0.337 |
 3 | 189 (62.2) | 140 (50.7) | 0.005 |
 4 | 37 (12.2) | 57 (20.7) | 0.006 |
 5 | 1 (0.3) | 1 (0.4) | 0.945 |
CCI, mean (SD) | 5.5 (2.3) | 5.2 (2.1) | 0.332 |
NHFS, mean (SD) | 4.7 (1.5) | 4.9 (1.7) | 0.048 |
Fracture diagnosis, n (%) | |||
 Extracapsular | 136 (44.7) | 110 (39.9) | 0.235 |
 Intracapsular | 149 (49.0) | 148 (53.6) | 0.267 |
 Subtrochanteric | 17 (5.6) | 6 (2.2) | < 0.001 |
 Periprosthetic | 2 (0.66) | 8 (2.9) | < 0.001 |
 Others | 0 | 4 (1.5) | < 0.001 |