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Demographics and preoperative comorbidities
| Variable | Mean ± SD or No. (%) |
|---|---|
| Age, years | 66 ± 10.4 |
| Gender | |
| Male | 9852 (61) |
| Female | 6299 (39) |
| Race | |
| White | 13,729 (85) |
| Black/other | 2422 (15) |
| Coronary artery disease | 4361 (27) |
| Current smoking | 7268 (45) |
| Diabetes | 5976 (37) |
| Discharge without antiplatelet/statin | 4522 (28) |
| Hypertension | 13,567 (84) |
| More than two arteries treated | 2261 (14) |
| Atherectomy | 1938 (12) |
SD, Standard deviation.
