Baseline characteristics after propensity score weighting for patients with complete data and 30 days of follow-up
| Baseline characteristics (n=1445) | Stent by drug attribute | P value | Standardised difference* | |
| DES (n=299)† | BMS (n=300) | |||
| Female | 97 (32.4%) | 100 (33.3%) | 0.739 | −0.019 |
| Age >65 years | 189 (63.2%) | 191 (63.7%) | 0.888 | −0.009 |
| Caucasian | 287 (96.0%) | 286 (95.3%) | 0.636 | 0.032 |
| Married | 168 (56.2%) | 168 (56.0%) | 0.955 | 0.004 |
| Risk factors | ||||
| Alcohol use | 88 (29.4%) | 90 (30.0%) | 0.823 | −0.012 |
| Illicit drug use | 26 (8.7%) | 28 (9.3%) | 0.771 | −0.022 |
| Acute MI | 164 (54.8%) | 163 (54.3%) | 0.904 | 0.010 |
| Shock | 23 (7.7%) | 23 (7.7%) | 0.962 | 0.001 |
| COPD | 55 (18.4%) | 58 (19.3%) | 0.766 | −0.024 |
| Diabetes mellitus | 102 (34.1%) | 102 (34.0%) | 0.979 | 0.002 |
| Dialysis | 9 (3.0%) | 8 (2.7%) | 0.787 | 0.021 |
| EF <30% | 10 (3.3%) | 10 (3.3%) | 0.972 | 0.001 |
*Standardized difference=difference in means or proportions divided by SE; imbalance defined as an absolute value >0.10 (small effect size).
†Weighted sum, Ns rounded to an integer.
COPD, chronic obstructive pulmonary disease; EF, ejection fraction; MI, myocardial infaction.