Table 3.

Independent Predictors of 90-Day Readmissions^a

Factor	Odds Ratio	P Value
Chronic pulmonary disease	1.32 (1.04-1.66)	.020
Female	0.72 (0.59-0.87)	.001
Disposition of patient
Routine	Reference
Transfer to skilled nursing facility	1.50 (1.05-2.14)	.024
Transfer to short-term hospital	1.00 (1.11-1.76)	.004
Primary payer
Self-pay/other	Reference
Medicare	1.63 (1.00-2.65)	.050
Medicaid	1.18 (0.93-1.50)	.167
Private insurance	0.69 (0.40-1.18)	.172
Ownership of hospital
Government, nonfederal	Reference
Private, nonprofit	0.72 (0.55-0.95)	.020
Private, investor owned	0.91 (0.64-1.31)	.625
Hospital type
Metropolitan nonteaching	Reference
Metropolitan teaching	0.78 (0.63-0.96)	.019
Nonmetropolitan teaching	0.62 (0.40-0.97)	.038

^aBold indicates statistically significant difference between groups (P < .05).