Table 1.
Comparison of the infected and non-infected groups regarding different risk factors.
| Risk factors | Infected n (row %) |
Non- infected n (row %) |
Total n (column %) |
p-valuea | |
|---|---|---|---|---|---|
| Age (years) | 15–45 | 514 (6.8) | 7018 (93.2) | 7532 (71.3) | 0.039 |
| 46–64 | 159 (7.9) | 1848 (92.1) | 2007 (19.0) | ||
| ≥65 | 88 (8.7) | 926 (91.3) | 1014 (9.7) | ||
| Sex | Female | 130 (6.8) | 1777 (93.2) | 1907 (18.1) | 0.462 |
| Male | 631 (7.3) | 8015 (92.7) | 8646 (81.9) | ||
| Mechanism of injury | Car accident | 348 (8.3) | 3840 (91.7) | 4188 (39.7) | <0.001 |
| Motor accident | 192 (7.9) | 2241 (92.1) | 2433 (23.0) | ||
| Pedestrian accident | 75 (9.4) | 721 (90.6) | 796 (7.5) | ||
| Assault injury | 7 (1.4) | 488 (98.6) | 495 (4.7) | ||
| Falling down | 90 (5.5) | 1540 (94.5) | 1630 (15.4) | ||
| Struck by objects | 29 (3.4) | 813 (96.6) | 842 (8.1) | ||
| Gunshot | 20 (11.8) | 149 (88.2) | 169 (1.6) | ||
| Surgical intervention | No | 650 (7.3) | 8224 (92.7) | 8874 (84.1) | 0.300 |
| Yes | 111 (6.6) | 1568 (93.4) | 1679 (15.9) | ||
| Injury severity score (ISS) | 0–8 | 209 (4.9) | 4095 (95.1) | 4304 (40.8) | <0.001 |
| 9–15 | 249 (5.7) | 4154 (94.3) | 4403 (41.7) | ||
| ≥16 | 303 (16.4) | 1543 (83.6) | 1846 (17.5) | ||
| Site of injury | Extremities | 64 (19.5) | 264 (80.5) | 328 (3.1) | <0.001 |
| Face | 80 (3.2) | 2411 (96.8) | 2491 (23.6) | ||
| Thorax | 249 (6.0) | 3934 (94.0) | 4183 (39.6) | ||
| Abdomen | 195 (17.9) | 895 (82.1) | 1090 (10.4) | ||
| Head and neck | 68 (4.4) | 1470 (95.6) | 1538 (14.6) | ||
| Multiple organs | 105 (11.4) | 818 (88.6) | 923 (8.7) | ||
| Length of hospitalization (days) | 3–7 | 33 (0.7) | 4965 (99.3) | 4998 (47.4) | <0.001 |
| 8–29 | 342 (6.9) | 4644 (93.1) | 4986 (47.2) | ||
| ≥30 | 386 (67.8) | 183 (32.2) | 569 (5.4) | ||
| Survival | Alive | 642 (6.3) | 9598 (93.7) | 10240 (97.0) | <0.001 |
| Dead | 119 (38.0) | 194 (62.0) | 313 (.0) | ||
a
Comparison between infected and non-infected traumatic patients.