Table 4.
Comparison of injury characteristics between those male and female patients with or without helmet-wearing.
| Male |
Female |
|||||||
|---|---|---|---|---|---|---|---|---|
| Helmet(−) n = 551 | Helmet(+) n = 3379 | OR(95%CI) | p | Helmet(−) n = 275 | Helmet(+) n = 2595 | OR(95%CI) | p | |
| GCS | 12.6 ± 3.8 | 14.3 ± 2.1 | – | <0.001 | 13.4 ± 3.3 | 14.5 ± 1.8 | – | <0.001 |
| ISS | 12.9 ± 9.0 | 9.4 ± 7.3 | – | <0.001 | 11.6 ± 8.9 | 8.2 ± 6.3 | – | <0.001 |
| AIS≥ 2, n(%) | ||||||||
| Head/Neck | 281(51.0) | 670(19.8) | 4.2(3.49–5.07) | <0.001 | 110(40.0) | 431(16.6) | 3.3(2.58–4.35) | <0.001 |
| Face | 140(25.4) | 573(17.0) | 1.7(1.35–2.06) | <0.001 | 50(18.2) | 316(12.2) | 1.6(1.15–2.23) | 0.006 |
| Thorax | 74(13.4) | 482(14.3) | 0.9(0.72–1.21) | 0.645 | 30(10.9) | 248(9.6) | 1.2(0.78–1.73) | 0.520 |
| Abdomen | 33(6.0) | 217(6.4) | 0.9(0.64–1.35) | 0.709 | 25(9.1) | 146(5.6) | 1.7(1.08–2.61) | 0.024 |
| Extremity | 235(42.6) | 2199(65.1) | 0.4(0.33–0.48) | <0.001 | 141(51.3) | 1815(69.9) | 0.5(0.35–0.58) | <0.001 |
| Mortality | 22(4.0) | 41(1.2) | 3.4(2.00–5.73) | <0.001 | 8(2.9) | 15(0.6) | 5.2(2.17–12.27) | 0.001 |
| Hospital LOS | ||||||||
| days | 12.2 ± 12.7 | 9.5 ± 9.7 | – | <0.001 | 9.6 ± 9.8 | 9.0 ± 9.1 | – | 0.324 |
| ICU LOS | ||||||||
| n (%) | 213(38.7) | 594(17.6) | 3.0(2.44–3.58) | <0.001 | 83(30.2) | 330(12.7) | 3.0(2.24–3.93) | <0.001 |
| days | 7.9 ± 9.8 | 7.3 ± 8.8 | – | 0.368 | 6.5 ± 6.0 | 6.4 ± 8.0 | – | 0.918 |