TABLE 3—
Injuries and Outcomes Among Injured Commercial Bicyclists: New York City, 2008–2014
| Commercial Bicyclists (n = 284) |
Noncommercial Bicyclists (n = 535) |
|||
| Categories | No. (%), Mean ±SD, or Range | 95% CI | No. (%), Mean ±SD, or Range | 95% CI |
| GCS scorea | ||||
| 15 | 269 (95.4) | 92.3, 97.5 | 478 (90.7) | 87.9, 93.4 |
| 13–14 | 11 (3.9) | 2.0, 6.9 | 38 (7.2) | 5.2, 9.8 |
| 9–12 | 1 (0.4) | 0.01, 2.0 | 3 (0.6) | 0.1, 1.7 |
| ≤ 8 | 1 (0.4) | 0.01, 2.0 | 8 (1.5) | 0.7, 3.0 |
| Loss of consciousnessb | ||||
| Yes | 57 (21.9) | 17.1, 27.4 | 153 (31.2) | 27.1, 35.5 |
| No | 203 (78.1) | 72.5, 82.9 | 337 (68.8) | 64.5, 72.9 |
| ISS | ||||
| 0–8, mild | 263 (92.6) | 88.9, 95.4 | 421 (78.7) | 75.0, 82.1 |
| 9–15, moderate | 14 (4.9) | 2.7, 8.1 | 75 (14.0) | 11.2, 17.3 |
| 16–24, severe | 4 (1.4) | 0.4, 3.6 | 19 (3.6) | 2.2, 5.5 |
| ≥ 25, critical | 3 (1.1) | 0.2, 3.1 | 20 (3.7) | 2.3, 5.7 |
| Initial CT imaging | ||||
| Head | 107 (37.7) | 32.0, 43.6 | 237 (44.3) | 40.0, 48.2 |
| Cervical spine | 109 (38.4) | 32.7, 44.3 | 224 (41.9) | 37.6, 46.2 |
| Chest | 47 (16.6) | 12.4, 21.4 | 96 (17.9) | 14.8, 21.5 |
| Abdomen/pelvis | 60 (21.1) | 16.5, 26.3 | 123 (23.0) | 19.5, 26.8 |
| ED disposition | ||||
| Admitted or died in EDc | 38 (13.4) | 9.7, 17.9 | 154 (28.8) | 25.0, 32.8 |
| Length of stay | ||||
| Mean days | 0.65 ±2.96 | 0.30, 0.99 | 2.01 ±8.36 | 1.30, 2.72 |
| Min–max days | 0–38 | 0–120 | ||
| Required ICU stay | 6 (0.2) | 0.8, 4.5 | 31 (5.8) | 4.0, 8.1 |
| Required intubation | 2 (0.7) | 0.1, 2.5 | 19 (3.6) | 2.2, 5.5 |
| Required tracheostomy | 0 (0) | 0, 1.3 | 6 (1.2) | 0.4, 2.4 |
| Required surgery | 11 (3.9) | 2.0, 6.8 | 58 (10.8) | 8.3, 13.8 |
| Died | 0 (0) | 0, 1.3 | 5 (0.9) | 0.3, 2.2 |
| Hospital disposition | ||||
| Home | 278 (97.9) | 95.5, 99.2 | 499 (93.3) | 90.8, 96.2 |
| Rehabilitation facility | 6 (2.1) | 0.8, 4.5 | 21 (3.9) | 2.5, 5.9 |
| Otherd | 0 (0) | 0, 1.3 | 15 (2.8) | 1.6, 4.6 |
Note. CI = confidence interval; CT = computed tomography; ED = emergency department; GCS = Glasgow Coma Scale; ICU = intensive care unit; ISS = Injury Severity Score. CI calculated using exact binomial method.
a
Two commercial bicyclists and 8 noncommercial bicyclists excluded.
b
Twenty-four commercial bicyclists and 45 noncommercial bicyclists with possible or unknown loss of consciousness were excluded.
c
One noncommercial bicyclist died in the ED; all other patients were admitted.
d
Other includes morgue, prison, nursing home, psychiatric unit, or transfer to an acute care facility.