Demographic and injury characteristics for 615 pediatric firearm-related injuries
| Demographic | All injuries (n=615) | Survivors (n=484) | Mortalities (n=131) | P value | |||
| n | % | n | % | n | % | ||
| Gender | 0.71 | ||||||
| Male | 493 | 80.2 | 386 | 79.8 | 107 | 81.7 | |
| Female | 122 | 19.8 | 98 | 20.2 | 24 | 18.3 | |
| Age (years), median (IQR) | 14 (12–15) | 14 (12–15) | 15 (12–15) | 0.04 | |||
| 0–5 | 62 | 10.1 | 49 | 10.1 | 13 | 9.9 | |
| 6–10 | 56 | 9.1 | 41 | 8.5 | 15 | 11.5 | |
| 11 | 17 | 2.8 | 13 | 2.7 | 4 | 3.1 | |
| 12 | 27 | 4.4 | 24 | 4.9 | 3 | 2.3 | |
| 13 | 55 | 8.9 | 47 | 9.7 | 8 | 6.1 | |
| 14 | 131 | 21.3 | 114 | 23.6 | 17 | 13 | |
| 15 | 267 | 43.4 | 196 | 40.5 | 71 | 54.2 | |
| Race/ethnicity | 0.004 | ||||||
| Black | 475 | 77.2 | 385 | 79.5 | 90 | 68.7 | |
| Hispanic | 59 | 9.6 | 40 | 8.3 | 19 | 14.5 | |
| Caucasian, non-Hispanic | 47 | 7.6 | 31 | 6.4 | 16 | 12.2 | |
| Other/unknown | 34 | 5.6 | 28 | 5.8 | 6 | 4.6 | |
| Injury characteristic | |||||||
| Injury Severity Score, median (IQR) | 5 (1–16) | 5 (1–10) | 29 (18–75) | <0.001 | |||
| 1–5 | 278 | 45.2 | 278 | 57.4 | 3 | 2.3 | |
| 6–10 | 99 | 16.1 | 92 | 19 | 7 | 5.3 | |
| 11–15 | 19 | 3.1 | 17 | 3.5 | 2 | 1.5 | |
| 16+ | 134 | 21.8 | 69 | 14.3 | 65 | 49.6 | |
| Unknown | 85 | 13.8 | 33 | 6.8 | 52 | 39.7 | |
| Circumstances | <0.001 | ||||||
| Intentional interpersonal | 251 | 40.8 | 199 | 41.1 | 52 | 39.7 | |
| Intentional self-inflicted | 16 | 2.6 | 1 | 0.2 | 15 | 11.5 | |
| Negligent discharge | 48 | 7.8 | 41 | 8.5 | 7 | 5.3 | |
| Bystander | 162 | 26.4 | 148 | 30.6 | 14 | 10.7 | |
| Police-involved shooting | 1 | 0.02 | 0 | 0 | 1 | 0.1 | |
| Unknown | 137 | 22.3 | 95 | 19.6 | 42 | 32.1 | |
| Timing of injury | 0.19 | ||||||
| During school | 34 | 5.5 | 22 | 4.5 | 12 | 9.2 | |
| After school | 123 | 20 | 101 | 20.9 | 22 | 16.8 | |
| Non-school day | 226 | 36.7 | 176 | 36.4 | 50 | 38.2 | |
| After curfew | 211 | 34.3 | 165 | 34.1 | 46 | 35.1 | |
| Unknown | 21 | 3.4 | 20 | 4.1 | 1 | 0.8 | |
Comparisons of discrete variables were performed by χ2 analysis. Age and Injury Severity Score were compared with the Wilcoxon rank-sum test. Unknown values were excluded from analysis.