National estimates of the number and rate of pedestrian injuries treated in US emergency departments among persons using wheelchairs compared with the general US population, 2002–2010
| Weighted national estimate | |||||||
|---|---|---|---|---|---|---|---|
| Sample no. | No. of injuries (95% CI) | Per cent | Injury rate* (95% CI) | General pedestrian injury rate* (95% CI) | Risk difference (95% CI) | p Value | |
| Gender | |||||||
| Female | 80 | 2725 (1033 to 4418) | 29.1 | 15.4 (5.8 to 25.0) | 50.5 (38.1 to 62.9) | −35.1 (−50.8 to −19.4) | <0.001 |
| Male | 214 | 6623 (3689 to 9556) | 80.1 | 54.1 (30.2 to 78.1) | 72.0 (55.6 to 88.4) | −17.8 (−46.9 to 11.2) | 0.23 |
| Age (years) | |||||||
| <30 | 24 | 728 (254 to 1203) | 7.8 | 29.6 (10.3 to 49.0) | 75.3 (57.9 to 92.8) | −45.7 (−71.7 to −19.7) | 0.001 |
| 30–49 | 93 | 3000 (1546 to 4453) | 32.1 | 69.0 (35.5 to 102.4) | 59.9 (46.9 to 73.0) | 9.0 (−26.8 to 44.9) | 0.62 |
| 50–64 | 102 | 3370 (1637 to 5103) | 36.1 | 48.9 (23.8 to 74.1) | 45.1 (31.7 to 58.5) | 3.8 (−24.7 to 32.3) | 0.80 |
| 65+ | 75 | 2250 (1104 to 3397) | 24.1 | 13.9 (6.8 to 21.0) | 38.8 (29.4 to 48.2) | −24.8 (−36.6 to −13.1) | <0.001 |
| Women only† | |||||||
| 30–49 | 16‡ | 448 (129 to 767) | 16.4 | 19.6 (5.6 to 33.5) | 47.1 (35.8 to 58.3) | −27.5 (−45.4 to −9.6) | 0.003 |
| 50–64 | 36 | 1444 (505 to 2382) | 53.0 | 35.4 (12.4 to 58.4) | 38.0 (25.3 to 50.7) | −2.6 (−28.9 to 23.6) | 0.85 |
| 65+ | 15‡ | 437 (145 to 728) | 16.0 | 4.3 (1.4 to 7.1) | 37.3 (27.4 to 47.2) | −33.0 (−43.4 to −22.7) | <0.001 |
| Men only† | |||||||
| 30–49 | 77 | 2551 (1346 to 3757) | 38.5 | 123.8 (65.3 to 182.4) | 72.9 (56.8 to 89.0) | 50.9 (−9.8 to 111.6) | 0.10 |
| 50–64 | 66 | 1926 (992 to 2861) | 29.1 | 68.5 (35.3 to 101.8) | 52.7 (36.8 to 68.6) | 15.9 (−21.0 to 52.7) | 0.40 |
| 65+ | 60 | 1814 (826 to 2801) | 27.4 | 30.5 (13.9 to 47.2) | 40.7 (31.2 to 50.2) | −10.2 (−29.3 to 8.9) | 0.30 |
| Total | 294 | 9348 (4912 to 13 784) | 31.3 (16.4 to 46.1) | 61.1 (46.9 to 75.3) | −29.8 (−50.4 to −9.3) | 0.004 | |
*Rates are per 100 000 person-years.
†Sex-stratified counts and rates under age 30 years are not shown because of small sample sizes leading to very large CIs.
‡Estimate treated as potentially unstable by NEISS due to sample size <20.
NEISS, National Electronic Injury Surveillance System.