Surgery disaggregated by select variables
| Variables | Surgery, n (%) | ||
| Yes | No | χ2, p value | |
| Gender (n=155) | |||
| Male | 91 (59.5) | 62 (40.5) | 0.245 |
| Female | 2 (100.0) | 0 (0.0) | |
| Age category (n=153) (years) | |||
| Under 20 | 10 (83.3) | 2 (16.7) | |
| 20–29 | 46 (63.9) | 26 (36.1) | |
| 30–39 | 18 (58.1) | 13 (41.9) | 0.218 |
| 40–49 | 9 (47.4) | 10 (52.6) | |
| 50 and over | 9 (47.4) | 10 (52.6) | |
| Employment (n=154) | |||
| Yes | 78 (57.8) | 57 (42.2) | 0.186 |
| No | 14 (73.7) | 5 (23.3) | |
| Alcohol use (n=151) | |||
| Yes | 37 (59.7) | 25 (40.3) | 0.878 |
| No | 52 (58.4) | 37 (41.6) | |
| Total body areas involved (n=154) | |||
| 1 | 60 (54.1) | 51 (45.9) | |
| 2 | 25 (80.6) | 6 (19.4) | |
| 3 | 4 (44.4) | 5 (55.6) | 0.019* |
| 4 | 2 (100.0) | 0 (0.0) | |
| 5 | 1 (100.0) | 0 (0.0) | |
| Loss of control (n=148) | |||
| Yes | 51 (63.0) | 30 (37.0) | 0.44 |
| No | 38 (56.7) | 29 (43.3) | |
| Collision (n=148) | |||
| Yes | 62 (61.4) | 39 (38.6) | 0.649 |
| No | 27 (57.4) | 20 (42.6) | |
| cc rating (n=149) | |||
| 150 cc and less | 56 (57.7) | 41 (42.3) | 0.363 |
| Greater than 150 cc | 34 (65.4) | 18 (34.6) | |
| Insurance (n=141) | |||
| Yes | 18 (51.4) | 17 (48.6) | 0.257 |
| No | 66 (62.3) | 40 (37.7) | |
| Rider’s license (n=141) | |||
| Yes | 20 (54.1) | 17 (45.9) | 0.426 |
| No | 64 (61.5) | 40 (38.5) | |
| Helmet use (n=153) | |||
| Yes | 25 (55.6) | 20 (44.4) | 0.524 |
| No | 66 (61.1) | 42 (38.9) | |
*P value based on Fisher’s exact test.
cc, cubic centimeter (represents the volume of the internal combustion engine cylinders of motorcycles).