Table 2.
Results of multiple regression analysis for long hospital stays (>14 days).
| Variables | Parameter estimates | F value | p value |
|---|---|---|---|
| Age | 0.193 | 0.059 | 3.680 |
| Female gender | 0.426 | 0.885 | 0.021 |
| MAIS | 2.976 | 0.525 | 0.409 |
| ISS | 0.370 | 0.581 | 0.307 |
| Mechanism of injury | 1.037 | ||
| Unknown | 0.282 | 0.979 | |
| Single | 0.768 | 0.876 | |
| Bicycle | −8.652 | 0.204 | |
| Motorcycle | −0.222 | 0.975 | |
| Car | Control | ||
| Head injury | 0.455 | 0.67 | 0.028 |
| Polytrauma | −3.199 | 0.269 | 1.244 |
| Operation | 13.47 | 0.000 | 14.276 |
MAIS: maximum abbreviated injury scale; ISS: injury severity score.