Table 1 Covariates
Aspirin non-user ( N =11 325) | % | Aspirin user ( N =2619) | % | NSAID non-user ( N =10 233) | % | NSAID user ( N =3711) | % | |
|---|---|---|---|---|---|---|---|---|
Women | 6067 | 53.6 | 1632 | 62.3 | 5493 | 53.7 | 2206 | 59.4 |
Mean age (s.d.) | 74.5 | (11.7) | 68.3 | (8.5) | 72.3 | (11.5) | 68.4 | (11.4) |
Mean BMI (s.d.) | 27.0 | (4.5) | 26.2 | (4.5) | 27.1 | (4.4) | 26.1 | (5.1) |
Smoking status | ||||||||
No | 6074 | 53.6 | 1306 | 49.9 | 5503 | 53.8 | 1877 | 50.6 |
Ex | 3053 | 27.0 | 948 | 36.2 | 2774 | 27.1 | 1227 | 33.1 |
Yes | 1645 | 14.5 | 322 | 12.3 | 1462 | 14.3 | 505 | 13.6 |
Missing | 553 | 4.9 | 43 | 1.6 | 494 | 4.8 | 102 | 2.8 |
Alcohol use | ||||||||
No | 1714 | 15.1 | 447 | 17.1 | 1541 | 15.1 | 620 | 16.7 |
Ex | 173 | 1.5 | 77 | 2.9 | 152 | 1.5 | 98 | 2.6 |
Yes | 7790 | 68.8 | 1890 | 72.2 | 7079 | 69.2 | 2601 | 70.1 |
Missing | 1648 | 14.6 | 205 | 7.8 | 1461 | 14.3 | 392 | 10.6 |
Mean Charlson Index (s.d.) | 13.0 | (9.5) | 9.5 | (13.0) | 12.1 | (7.3) | 9.5 | (7.2) |
