Table 1.
Baseline Characteristics and Propensity Score Components Stratified By Aspirin Use in Propensity‐Matched Cohort
| Nonaspirin (n=949) | Aspirin (n=1234) | P value | SMD | |
|---|---|---|---|---|
| Age, y | 65.34 (10.14) | 66.40 (9.11) | 0.01 | 0.11 |
| Female sex | 445 (46.9) | 541 (43.8) | 0.17 | 0.06 |
| Race or ethnicity | 0.89 | 0.03 | ||
| White | 489 (51.5) | 652 (52.8) | ||
| Asian | 89 (9.4) | 106 (8.6) | ||
| Black | 235 (24.8) | 298 (24.1) | ||
| Hispanic | 136 (14.3) | 178 (14.4) | ||
| Hypertension | 541 (57.0) | 722 (58.5) | 0.51 | 0.03 |
| Diabetes | 152 (16.0) | 212 (17.2) | 0.51 | 0.03 |
| Cigarette smoking | 0.49 | 0.05 | ||
| Never | 459 (48.4) | 565 (45.8) | ||
| Former | 403 (42.5) | 552 (44.7) | ||
| Current | 87 (9.2) | 117 (9.5) | ||
| Total cholesterol, mg/dL | 189.68 (34.08) | 188.04 (33.97) | 0.27 | 0.05 |
| LDL‐C, mg/dL | 113.58 (31.46) | 112.19 (30.41) | 0.30 | 0.05 |
| HDL‐C, mg/dL | 50.48 (14.77) | 50.55 (14.87) | 0.92 | 0.005 |
| Lipoprotein(a), mg/dL | 16.20 [7.00–37.50] | 15.90 [6.80–40.05] | 0.66 | 0.08 |
| Antihypertensive use | 433 (45.6) | 663 (53.7) | <0.001 | 0.16 |
| Statin use | 154 (16.3) | 325 (26.3) | <0.001 | 0.25 |
Results are presented as mean (SD), median [interquartile range], or n (%). HDL‐C indicates high‐density lipoprotein cholesterol; LDL‐C, low‐density lipoprotein cholesterol; and SMD, standardized mean difference.