Table 1.
Descriptive statistics at the individual, hospital and neighbourhood levels
Individual (n=404 675) Mean (SD) or % |
Hospital (n=66) Median (IQR) |
Neighbourhood (n=214) Median (IQR) |
|
Individuals (n) | 2845 (349–9683) | 1630 (765–2879) | |
Age | 60.4 (23.7) | 62.0 (53.2–66.6) | 60.8 (57.3–65.2) |
Female | 49.8% | 50.6% (40.1%–56.7%) | 50.5% (46.3%–54.2%) |
Race | |||
White | 70.0% | 74.6% (40.6%–91.0%) | 70.8% (45.5%–82.4%) |
Black | 26.0% | 7.6% (2.2%–19.3%) | 2.3% (0.9%–10.0%) |
Other | 4.0% | 8.2% (3.6%–23.2%) | 17.2% (12.0%–30.7%) |
Mechanism | |||
Falls | 44.3% | 43.7% (26.9%–54.1%) | 46.7% (40.4%–52.2%) |
Firearms | 2.4% | 0.4% (0.04%–1.1%) | 0.6% (0.2%–1.4%) |
Motor vehicle | 8.6% | 5.4% (2.8%–12.1%) | 8.4% (7.0%–10.4%) |
Severity | 4.9 (5.4) | 4.5 (3.5–5.5) | 5.0 (4.7–5.2) |
Comorbidities | 2.7 (2.0) | 2.8 (2.0–3.1) | 2.7 (2.5–2.8) |
Mortality | 2.5% | 2.2% (1.6%–3.0%) | 2.4% (2.0%–2.7%) |
Length of stay | 6.4 (8.3) | 5.9 (5.2–6.7) | 6.3 (5.9–6.7) |
Charges (thousands of dollars) | 36.3 (55.2) | 32.5 (25.5–41.2) | 36.9 (33.7–39.5) |
Poverty rate | 17.4 (14.4) | 14.5 (11.8–19.9) | 10.7 (6.5–18.7) |