Table 5.

Analysis of Interaction Between Race/Ethnicity and Geographic Region

Outcome	Interaction P Value	Variable	Hazard Ratio (95% CI)	P Value
30‐Day mortality post index admission	0.155
30‐Day mortality post index discharge	0.884
30‐Day all‐cause readmission	0.110
1‐Year mortality post index admission	<0.001
		Hispanic (vs white) in Midwest	0.84 (0.66 to 1.08)	0.168
		Hispanic (vs white) in Northeast	0.93 (0.84 to 1.03)	0.150
		Hispanic (vs white) in South	1.06 (0.94 to 1.20)	0.319
		Hispanic (vs white) in West	0.66 (0.57 to 0.76)	<0.001
		Black (vs white) in Midwest	0.86 (0.78 to 0.95)	0.003
		Black (vs white) in Northeast	0.89 (0.80 to 0.99)	0.040
		Black (vs white) in South	0.89 (0.81 to 0.97)	0.011
		Black (vs white) in West	0.90 (0.62 to 1.31)	0.581
		Asian (vs white) in Midwest	0.91 (0.68 to 1.21)	0.522
		Asian (vs white) in Northeast	0.85 (0.52 to 1.37)	0.498
		Asian (vs white) in South	1.05 (0.72 to 1.51)	0.812
		Asian (vs white) in West	0.88 (0.75 to 1.03)	0.120
1‐Year mortality post index discharge	0.003
		Hispanic (vs white) in Midwest	0.89 (0.66 to 1.18)	0.414
		Hispanic (vs white) in Northeast	0.96 (0.86 to 1.08)	0.531
		Hispanic (vs white) in South	1.09 (0.95 to 1.24)	0.219
		Hispanic (vs white) in West	0.62 (0.52 to 0.76)	<0.001
		Black (vs white) in Midwest	0.94 (0.83 to 1.06)	0.309
		Black (vs white) in Northeast	0.92 (0.82 to 1.02)	0.123
		Black (vs white) in South	0.94 (0.85 to 1.05)	0.290
		Black (vs white) in West	0.95 (0.68 to 1.33)	0.786
		Asian (vs white) in Midwest	1.04 (0.78 to 1.40)	0.788
		Asian (vs white) in Northeast	0.70 (0.41 to 1.21)	0.200
		Asian (vs white) in South	1.00 (0.71 to 1.43)	0.985
		Asian (vs white) in West	0.90 (0.72 to 1.11)	0.327
1‐Year all‐cause readmission	0.111

Model adjusted for patient, hospital characteristics, and socioeconomic status variables as displayed in Table 3 footnote.