Characteristics of cases and controls among injured cyclists (n=8373), Rhône road trauma registry, 1998–2008
| Cases | Controls (solely injured below the neck) (n=5153) | |||||||||
| Any head injury (n=1471) | Serious head injury (n=144) | Any facial injury (n=1926) | Any neck injury (n=529) | |||||||
| N | col. % | N | col. % | N | col. % | N | col. % | N | col. % | |
| Helmet | ||||||||||
| Yes | 265 | 18.0 | 15 | 10.4 | 314 | 16.3 | 139 | 26.3 | 1137 | 22.1 |
| No | 1206 | 82.0 | 129 | 89.6 | 1612 | 83.7 | 390 | 73.7 | 4016 | 77.9 |
| Gender | ||||||||||
| Female | 306 | 20.8 | 19 | 13.2 | 478 | 24.8 | 156 | 29.5 | 1160 | 22.5 |
| Male | 1165 | 79.2 | 125 | 86.8 | 1448 | 75.2 | 373 | 70.5 | 3993 | 77.5 |
| Age, y | ||||||||||
| 0–9 | 263 | 17.9 | 6 | 4.2 | 557 | 28.9 | 19 | 3.6 | 652 | 12.6 |
| 10–14 | 302 | 20.5 | 26 | 18.1 | 309 | 16.0 | 52 | 9.8 | 1052 | 20.4 |
| 15–24 | 268 | 18.2 | 21 | 14.5 | 364 | 18.9 | 135 | 25.5 | 1194 | 23.1 |
| 25–34 | 163 | 11.1 | 12 | 8.3 | 218 | 11.3 | 110 | 20.8 | 785 | 15.2 |
| 35–44 | 151 | 10.3 | 19 | 13.2 | 175 | 9.1 | 80 | 15.1 | 600 | 11.6 |
| 45–54 | 129 | 8.8 | 15 | 10.4 | 154 | 8.0 | 76 | 14.4 | 433 | 8.4 |
| 55–64 | 96 | 6.5 | 16 | 11.1 | 79 | 4.1 | 33 | 6.2 | 269 | 5.2 |
| 65+ | 99 | 6.7 | 29 | 20.2 | 70 | 3.7 | 24 | 4.5 | 168 | 3.3 |
| ISS | ||||||||||
| 1–3 | 656 | 44.6 | 0 | 0.0 | 1443 | 74.9 | 387 | 73.2 | 3216 | 62.4 |
| 4–8 | 575 | 39.1 | 0 | 0.0 | 350 | 18.2 | 118 | 22.3 | 1586 | 30.8 |
| 9–15 | 139 | 9.4 | 52 | 36.1 | 86 | 4.5 | 12 | 2.3 | 330 | 6.4 |
| 16–75 | 101 | 6.9 | 92 | 63.9 | 47 | 2.4 | 12 | 2.3 | 21 | 0.4 |
| ISS without head, face, or neck | ||||||||||
| 0 | 547 | 37.2 | 54 | 37.5 | 979 | 50.8 | 188 | 35.5 | 0.0 | |
| 1–3 | 658 | 44.7 | 30 | 20.8 | 756 | 39.3 | 284 | 53.7 | 3216 | 62.4 |
| 4–8 | 177 | 12.0 | 22 | 15.3 | 129 | 6.7 | 43 | 8.1 | 1586 | 30.8 |
| 9–15 | 70 | 4.8 | 24 | 16.7 | 53 | 2.8 | 11 | 2.1 | 330 | 6.4 |
| 16–75 | 19 | 1.3 | 14 | 9.7 | 9 | 0.5 | 3 | 0.6 | 21 | 0.4 |
| Crash opponent | ||||||||||
| None | 850 | 58.4 | 61 | 42.7 | 1250 | 65.5 | 220 | 42.1 | 3517 | 68.6 |
| Human, animal | 77 | 5.3 | 4 | 2.8 | 92 | 4.8 | 30 | 5.7 | 237 | 4.6 |
| Stationary obstacle | 99 | 6.8 | 13 | 9.1 | 203 | 10.6 | 51 | 9.8 | 388 | 7.6 |
| Motor vehicle | 430 | 29.5 | 65 | 45.5 | 364 | 19.1 | 222 | 42.4 | 983 | 19.2 |
| Crash setting | ||||||||||
| Urban | 948 | 64.4 | 94 | 65.3 | 1273 | 66.1 | 377 | 71.3 | 3180 | 61.7 |
| Rural | 350 | 23.8 | 39 | 27.1 | 406 | 21.1 | 92 | 17.4 | 938 | 18.2 |
| Unknown | 173 | 11.8 | 11 | 7.6 | 247 | 12.8 | 60 | 11.3 | 1035 | 20.1 |
| Road type | ||||||||||
| Major road | 110 | 9.3 | 16 | 13.3 | 89 | 5.7 | 29 | 6.6 | 213 | 5.6 |
| Local road | 849 | 71.7 | 91 | 75.8 | 1099 | 70.9 | 345 | 78.9 | 2763 | 73.1 |
| Unknown | 50 | 4.2 | 6 | 5.0 | 88 | 5.7 | 16 | 3.7 | 267 | 7.1 |
| Off road | 175 | 14.8 | 7 | 5.8 | 274 | 17.7 | 47 | 10.8 | 539 | 14.3 |
ISS, Injury Severity Score.