Table 1.
Patient characteristics | Total (N = 199,462) | Patients with infection (n = 7,018) | Patients without infection (n = 192,444) | P value |
---|---|---|---|---|
Mean age ± SD (y) | 75.1 ± 13.4 | 73.7 ± 14.6 | 75.1 ± 13.4 | .00 |
Age ≥65 y | 82.8 | 78.1 | 83 | .00 |
Female | 63 | 57.8 | 63.2 | .00 |
Ethnicity | .00 | |||
White | 75.6 | 78.8 | 75.5 | |
Black | 14.0 | 12.5 | 14.0 | |
Hispanic | 8.0 | 6.5 | 8.1 | |
Asian | 1.7 | 1.2 | 1.8 | |
Other | 0.7 | 0.9 | 0.7 | |
Payer | .00 | |||
Medicare (fee-for-service) | 70.4 | 69.2 | 70.4 | |
Medicare (health maintenance organization-managed care) | 16.0 | 15.2 | 16.0 | |
Medicaid | 10.0 | 11.7 | 9.8 | |
Private insurance | 3.8 | 4.0 | 3.8 | |
Past inpatient facility discharge in prior 14 d | .00 | |||
None | 34.6 | 25.9 | 35.0 | |
Short-stay acute hospital | 44.6 | 50.0 | 44.4 | |
Inpatient rehabilitation hospital or unit | 6.4 | 6.8 | 6.4 | |
Skilled nursing facility | 14.1 | 15.8 | 14.0 | |
Long-term care facility | 2.8 | 3.9 | 2.8 | |
Admission diagnosis | ||||
Infection | 1.7 | 1.5 | 1.7 | .13 |
Cancer | 6.7 | 8.6 | 6.6 | .00 |
Renal disease | 13.9 | 18.9 | 13.7 | .00 |
Receiving intravenous therapy or parenteral nutrition | 3.0 | 5.5 | 2.9 | .00 |
NOTE. Values are percentages unless otherwise indicated.
t tests or χ2 tests were used to test the group comparison.