CABG (compared to PCI)^a

−0.3364

0.6018

0.714 (0.220, 2.323)

0.576

Age, years^b

0.0615

0.0348

1.063 (0.993, 1.138)

0.077

Race (compared to Caucasians)^c

African Americans

1.0977

1.3375

2.997 (0.218, 41.227)

0.411

Other

−0.0576

0.7109

0.944 (0.234, 3.803)

0.935

Median household income state quartile for patient zip code (compared to Q4)^d

Q1

−0.1827

0.9315

0.833 (0.134, 5.171)

0.844

Q2

−0.1461

0.9300

0.864 (0.140, 5.348)

0.875

Q3

−0.3979

0.9725

0.672 (0.100, 4.519)

0.682

Modified Elixhasuer-Walraven comorbidity score^e

0.1644

0.0377

1.179 (1.095, 1.269)

<0.001

Rurality (compared to isolated rural area)^f

Urban

−0.8328

0.9305

0.435 (0.070, 2.694)

0.370

Large rural town

−0.1814

1.1327

0.834 (0.091, 7.679)

0.872

Small rural town

0.9667

0.9963

2.629 (0.373, 18.532)

0.332

Emergency Department admission^g

0.5977

0.5721

1.818 (0.592, 5.578)

0.296