Table 1.
Characteristics of the study population
| Variables | No SMI N = 11571(81.6%) | SMI N = 2623 (18.4%) | p-value |
| Demographic | |||
| Mean age (SD), yrs | 69.6 (11.5) | 64.0 (11.7) | < 0.001 |
| Male | 11357 (98.1%) | 2548 (97.1%) | 0.001 |
| Caucasian race | 5943 (51.4%) | 1553 (59.2%) | < 0.001 |
| BMI (SD) | 27.9 (5.9) | 28.9(6.4) | < 0.001 |
| Cardiac | |||
| Prior AMI | 2757 (23.8%) | 628 (23.9%) | 0.900 |
| Prior CHF | 3259 (28.2%) | 7317 (27.9%) | 0.760 |
| Prior CABG | 2509 (21.7%) | 502 (19.1%) | 0.004 |
| Prior PCI(6 m) | 487 (4.2%) | 124 (4.7%) | 0.237 |
| Non-Cardiac | |||
| Alcohol abuse | 1037 (9.0%) | 725 (27.6%) | < 0.001 |
| Cancer | 1098 (9.5%) | 174 (6.6%) | < 0.001 |
| COPD | 2149 (18.6%) | 532 (20.3%) | 0.043 |
| Dementia | 1016 (8.8%) | 967 (36.9.0%) | < 0.001 |
| Lipid disorder | 7327 (63.3%) | 1655 (63.1%) | 0.828 |
| Liver disease | 469 (4.1%) | 227 (8.6%) | < 0.001 |
| Cerebral Vascular Disease | 1072 (9.3%) | 242 (9.2%) | 0.951 |
| Musculoskeletal | 761 (6.6%) | 188 (7.2%) | 0.274 |
| Renal disease | 2547 (22.0%) | 508 (19.4%) | 0.003 |
| Diabetes | 2396 (20.7%) | 556 (21.2%) | 0.577 |
| Current smokers | 3301 (28.5%) | 1161 (44.3%) | < 0.001 |
| Hypertension | 10155 (87.8%) | 2355 (89.8%) | 0.004 |
| Peripheral Vascular Disease | 3542 (30.6%) | 711 (27.1%) | < 0.001 |
| Presentation | |||
| Heart rate | 85.6 (23.0) | 84.9 (22.0) | 0.130 |
| Systolic blood pressure | 140 (30.0) | 138 (29) | 0.001 |
| Diastolic blood pressure | 76 (18.0) | 77 (19) | 0.012 |
BMI, body mass index; AMI, myocardial infarction; CHF, chronic heart failure; COPD, Chronic obstructive pulmonary disease; CABG, coronary artery bypass graft; PCI, percutaneous coronary intervention; COPD, Chronic obstructive pulmonary disease; Cath, Cardiac Catheterization;