Table 1 Baseline characteristics of the participants
Variables | Total | SMuRFless | ≥ 1 SMuRF | p-value |
|---|---|---|---|---|
N = 15051 | N = 2267 | N = 12784 | ||
n (%) | n (%) | n (%) | ||
Age (mean years) | 57.6 ± 11.5 | 56.2 ± 13.0 | 57.8 ± 11.2 | < 0.01 |
Women | 3626 (24.1%) | 436 (19.2%) | 3190 (25.0%) | < 0.01 |
Welfare received for the episode of care | 556 (3.7%) | 91 (4.0%) | 465 (3.6%) | 0.38 |
Family history of premature CAD | 3234 (21.5%) | 481 (21.2%) | 2753 (21.2%) | 0.72 |
Peripheral arterial disease | 35 (0.2%) | 4 (0.2%) | 31 (0.2%) | 0.52 |
Prior valve surgery* | 32 (0.2%) | 10 (0.4%) | 22 (0.2%) | 0.02 |
History of cancer | 66 (0.6%) | 9 (0.6%) | 57 (0.6%) | 0.87 |
Dyslipidemia | 3008 (20.0%) | 0 (0%) | 3008 (23.5%) | - |
Hypertension | 8784 (58.6%) | 0 (0%) | 8784 (68.7%) | - |
Diabetes mellitus | 6659 (44.2%) | 0 (0%) | 6659 (52.3%) | |
Tobacco use ever | 4315 (28.7%) | 0 (0%) | 4315 (33.8%) | - |
Smokeless tobacco use | 421 (7.4%) | 0 (0%) | 421 (8.1%) | - |
Number of cigarettes | - | |||
< 10/day | 528 (42.1%) | 0 (0%) | 528 (42.1%) | |
> 10/day | 727 (57.9%) | 0 (0%) | 727 (57.9%) | |
Number of SMuRFs | - | |||
0 | 2267 (15.1%) | 2267 (100%) | 0 (0%) | |
1 | 5433 (36.1%) | 0 (0%) | 5433 (42.5%) | |
2 | 5005 (33.3%) | 0 (0%) | 5005 (39.2%) | |
3 | 2061 (13.7%) | 0 (0%) | 2061 (16.1%) | |
4 | 285 (1.9%) | 0 (0%) | 285 (2.2%) |