CABG (compared to PCI)^a

0.4926

0.0307

1.637 (1.541, 1.738)

<0.001

Age, years^b

0.0351

0.0013

1.036 (1.033, 1.039)

<0.001

Race (compared to Caucasians)^c

African Americans

−0.1279

0.0724

0.880 (0.763, 1.014)

0.077

Other

0.1563

0.0341

1.169 (1.094, 1.250)

<0.001

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

Q1

0.1765

0.0439

1.193 (1.095, 1.300)

<0.001

Q2

0.0986

0.0426

1.104 (1.015, 1.200)

0.021

Q3

0.0383

0.043

1.039 (0.955, 1.131)

0.373

Modified Elixhasuer-Walraven comorbidity score^e

0.141

0.0021

1.151 (1.147, 1.156)

<0.001

Rurality (compared to isolated rural area)^f

Urban

−0.1495

0.0961

0.861 (0.713, 1.040)

0.120

Large rural town

−0.0039

0.1089

0.996 (0.805, 1.233)

0.972

Small rural town

−0.1454

0.1262

0.865 (0.675, 1.107)

0.250

Emergency Department admission^g

0.7358

0.0302

2.087 (1.967, 2.214)

<0.001