Table 2.

Covariate balance between medication categories before and after inverse probability of treatment-weighted standardization

Covariate	Maximum between-group standardized differencebefore weighting (%)	Maximum between-group standardized differenceafter weighting (%)
Age	40.6	5.4
Male	10.6	7.4
Race
White	13.8	5.2
Black	15.6	5.7
Asian	8.1	8.1
Pacific Islander	4.1	2.4
Native American	8.4	4.5
Family history of CAD	11.1	2.5
Tobacco	8.0	7.0
Hypertension	11.6	3.4
Hyperlipidemia	9.0	5.0
BMI	13.2	2.2
Framingham risk score	19.8	5.8
PAD	15.7	5.9
CHF	30.8	6.1
COPD	6.2	2.5
CKD	75.7	14.7
Dialysis	26.1	14.0
Depression	13.1	2.5
PTSD	14.1	4.3
Presentation
Stable angina	6.9	7.5
Positive functional study	15.7	4.2
Ischemic heart disease	5.9	1.7
Chest pain	13.8	2.0
Postangiography revascularization
None	10.7	4.6
PCI	6.2	3.5
CABG	8.0	4.2
Baseline HbA1c	32.4	4.8
Diabetes duration	16.6	5.3

BMI, body mass index; CABG, coronary artery bypass graft; CAD, coronary artery disease; CHF, congestive heart failure; CKD, chronic kidney disease; COPD, chronic obstructive pulmonary disease; HbA1c, hemoglobin A1c; PAD, peripheral arterial disease; PCI, percutaneous coronary intervention; PTSD, post-traumatic stress disorder.