Table 2.
Injury severity and mortality of bicyclists hospitalized due to trauma
| Variables | Bicycle | Motor | Odds ratio | p |
|---|---|---|---|---|
| n = 669 | n = 7300 | (95 % CI) | ||
| GCS | 14.3±2.2 | 14.2±2.5 | - | 0.045 |
| n (%) | ||||
| ≤ 8 | 30(4.5) | 435(6.0) | 0.7(0.51-1.08) | 0.119 |
| 9-12 | 23(3.4) | 324(4.4) | 0.8(0.50-1.18) | 0.225 |
| ≥ 13 | 616(92.1) | 6541(89.6) | 1.3(1.01-1.80) | 0.043 |
| AIS, n (%) | ||||
| Head/Neck | 189(28.3) | 2411(33.0) | 0.8(0.67-0.95) | 0.012 |
| Face | 96(14.3) | 1834(25.1) | 0.5(0.40-0.62) | <0.001 |
| Thorax | 60(9.0) | 1212(16.6) | 0.5(0.38-0.65) | <0.001 |
| Abdomen | 31(4.6) | 577(7.9) | 0.6(0.39-0.82) | 0.002 |
| Extremity | 492(73.5) | 5274(72.2) | 1.1(0.89-1.28) | 0.473 |
| ISS | 8.7±7.1 | 9.6±7.7 | - | <0.001 |
| >16 | 580(86.7) | 5986(82.0) | 1.4(1.14-1.80) | 0.002 |
| 16-24 | 63(9.4) | 910(12.5) | 0.7(0.56-0.96) | 0.021 |
| ≧25 | 26(3.9) | 404(5.5) | 0.7(0.46-1.03) | 0.071 |
| NISS | 10.1±9.1 | 11.2±9.3 | - | <0.001 |
| TRISS | 0.949±0.137 | 0.960±0.112 | - | 0.033 |
| Mortality, n (%) | 19(2.8) | 123(1.7) | 1.7(1.05-2.78) | 0.031 |
| >16, n | 2 | 9 | 2.3(0.50-10.67) | 0.274 |
| 16-24, n | 3 | 29 | 1.5(0.45-5.13) | 0.498 |
| ≧25, n | 14 | 85 | 4.4(1.95-9.82) | <0.001 |
| AOR | 1.2(1.16-1.20) | <0.001 | ||