Variable | Private n = 2,270,429 (63.4%) | Medicare n = 413,820 (11.5%) | Medicaid n = 680,142 (18.9%) | Uninsured n = 216,516 (6.0%) | All Insurance n = 3,580,908 (100%) | P value |
---|---|---|---|---|---|---|
Age, median (IQR) | 54.6 (47.5–59.6) | 57.1 (51.6–61.1) | 52.2 (44.1–57.9) | 52.9 (45.7–58.5) | 54.4 (47.1–59.5) | < 0.001 |
Female, % (SE) | 51.4% (0.2) | 49.4% (0.2) | 54.1% (0.1) | 48.1% (0.2) | 51.5% (0.1) | |
Race, % (SE) | < 0.001 | |||||
White | 69.6% (0.5) | 61.8% (0.6) | 46.4% (0.7) | 49.6% (1.2) | 63.1% (0.5) | |
Black | 9.8% (0.2) | 20.1% (0.3) | 21.7% (0.4) | 18.0% (0.7) | 13.7% (0.2) | |
Hispanic | 6.7% (0.2) | 7.6% (0.2) | 16.9% (0.7) | 19.3% (0.8) | 9.5% (0.2) | |
Other or unknown | 13.7% (0.5) | 10.3% (0.5) | 14.8% (0.5) | 12.9% (0.7) | 13.5% (0.5) | |
Median household income, % (SE) | < 0.001 | |||||
Quartile 1 | 18.8% (0.3) | 37.4% (0.4) | 40.0% (0.4) | 37.9% (0.6) | 26.0% (0.3) | |
Quartile 2 | 22.5% (0.3) | 26.4% (0.2) | 26.2% (0.2) | 26.7% (0.4) | 23.9% (0.2) | |
Quartile 3 | 26.9% (0.2) | 21.4% (0.2) | 20.9% (0.2) | 21.8% (0.3) | 24.8% (0.1) | |
Quartile 4 | 31.6% (0.6) | 14.5% (0.3) | 12.7% (0.3) | 13.5% (0.4) | 25.0% (0.5) | |
Interhospital transfer, % (SE) | 1.7% (0.0) | 2.5% (0.0) | 2.6% (0.0) | 2.8% (0.1) | 2.0% (0.0) | < 0.001 |
Elixhauser’s comorbidity index, median (IQR) | 1.0 (0.0–2.1) | 2.2 (1.0–3.6) | 1.5 (0.4–2.8) | 1.2 (0.2–2.5) | 1.1 (0.1–2.5) | < 0.001 |