Unweighted discharges (n) | 3,206,376 (52.0) | 1,206,566 (19.8) | <.001 | 2,870,054 (52.4) | 1029,410 (18.8) | <.001 |
Weighted discharges (N) | 15,795,128 (53.1) | 5,916,858 (19.9) | <.001 | 14,350,107 (52.4) | 5,146,547 (18.8) | <.001 |
Age (years) | | | <.001 | | | <.001 |
0 to 17 | 5.4 | 5.5 | | 6.1 | 4.8 | |
18 to 35 | 9.9 | 8.0 | | 10.4 | 7.9 | |
36 to 50 | 17.6 | 14.7 | | 15.3 | 13.1 | |
51 to 64 | 22.9 | 22.2 | | 24.6 | 24.1 | |
65 to 74 | 16.3 | 19.5 | | 17.6 | 21.2 | |
75+ | 27.9 | 30.1 | | 26.1 | 29.0 | |
Sex | | | .674 | | | .505 |
Female | 46.3 | 53.9 | | 52.4 | 52.4 | |
Male | 53.7 | 46.1 | | 47.6 | 47.6 | |
Payer | | | <.001 | | | <.001 |
Medicare | 46.3 | 54.1 | | 48.3 | 56.9 | |
Medicaid | 12.1 | 10.9 | | 15.0 | 11.6 | |
Private | 32.8 | 26.4 | | 26.8 | 22.1 | |
Uninsured | 8.8 | 8.7 | | 10.0 | 9.4 | |
Number of chronic conditions | | | <.626 | | | <.001 |
0 | 6.2 | 6.4 | | 5.0 | 4.3 | |
1 | 9.5 | 9.0 | | 7.5 | 6.4 | |
2 | 24.6 | 11.3 | | 9.0 | 8.2 | |
3 to 4 | 13.7 | 27.1 | | 22.1 | 21.9 | |
5+ | 46.1 | 46.0 | | 56.4 | 59.1 | |
Length of stay (days) | | | <.001 | | | <.001 |
0 to 2 | 36.8 | 37.7 | | 36.5 | 35.8 | |
3 to 4 | 35.3 | 37.4 | | 36.5 | 38.9 | |
5 to 7 | 10.3 | 10.1 | | 10.3 | 10.3 | |
8 to 14 | 12.0 | 10.7 | | 11.7 | 10.9 | |
>14 days | 5.7 | 4.2 | | 5.0 | 4.1 | |
Income quartile | | | <.001 | | | <.001 |
1 (lowest income) | 20.5 | 52.1 | | 22.2 | 49.5 | |
2 | 21.0 | 36.8 | | 20.4 | 37.4 | |
3 | 26.4 | 9.6 | | 26.4 | 11.6 | |
4 (highest income) | 32.1 | 1.5 | | 31.0 | 1.5 | |