Table 1.
Univariate variables based on hospital length of stay (n = 14054).
| Variables | Hospital length of stay (d) |
Statistical value | p value | |
|---|---|---|---|---|
| <3 (n = 10,243) | ≥3 (n = 3811) | |||
| Age (mean ± SD) | 33.16 ± 15.30 | 35.85 ± 16.86 | −9.02 | <0.001 |
| Gender | ||||
| Male | 7352 (71.78) | 3098 (81.29) | 131.88 | <0.001 |
| Female | 2891 (28.22) | 713 (18.71) | ||
| Mechanism of injuries | ||||
| Car accident | 5630 (55.78) | 1605 (44.73) | 129.55 | <0.001 |
| Motorcycle accident | 3095 (30.66) | 1375 (38.32) | ||
| Pedestrian accident | 1369 (13.56) | 608 (16.95) | ||
| Infection | ||||
| Yes | 13 (0.13) | 298 (7.82) | 759.66 | <0.001 |
| No | 10,230 (99.87) | 3513 (92.18) | ||
| Location of injuries | ||||
| Head & Neck | 3018 (29.46) | 800 (20.99) | 305.07 | <0.001 |
| Face | 374 (3.65) | 338 (8.87) | ||
| Thorax | 869 (8.48) | 380 (9.97) | ||
| Abdomen & Pelvic | 776 (7.58) | 146 (3.83) | ||
| Extremities | 5206 (50.82) | 2147 (56.34) | ||
| Outcome | ||||
| Alive | 10,157 (99.16) | 3727 (97.80) | 43.27 | <0.001 |
| Death | 86 (0.84) | 84 (2.20) | ||
| ISS (mean ± SD) | 4.45 (5.94) | 7.42 (7.42) | −5.76 | <0.001 |
SD: standard deviation; ISS: injury severity score.