Table 1.
Demographic and medical history characteristics
| Variable | Group ≤ 6 hours (n=61) | Group > 6 hours or No Cath (n=179) | P value |
|---|---|---|---|
| Age (years) | 64±13 | 67±17 | 0.25 |
| Women | 8 (13%) | 56 (31%) | 0.006 |
| Race | 0.58 | ||
| White | 47 (77%) | 142 (79%) | |
| Black | 6 (10%) | 17 (10%) | |
| Native American | 1 (2%) | 1 (1%) | |
| Asian | 4 (7%) | 11 (6%) | |
| Other | 1 (2%) | 0 (0%) | |
| Unknown | 2 (3%) | 8 (4%) | |
| Coronary artery disease | 14 (23%) | 78 (45%) | 0.002 |
| Valvular heart disease | 4 (7%) | 19 (11%) | 0.32 |
| Cardiomyopathy | 5 (8%) | 43 (25%) | 0.006 |
| Myocardial infarction | 7 (12%) | 43 (25%) | 0.032 |
| Congestive heart failure | 5 (8%) | 54 (31%) | <0.0001 |
| Arrhythmia | 8 (13%) | 62 (36%) | 0.001 |
| Hypertension | 29 (48%) | 80 (46%) | 0.78 |
| Hyperlipidemia | 15 (25%) | 57 (33%) | 0.25 |
| Coronary angioplasty | 4 (7%) | 17 (10%) | 0.46 |
| Coronary artery bypass grafting | 5 (8%) | 29 (17%) | 0.11 |
| Diabetes mellitus | 8 (13%) | 36 (21%) | 0.20 |
| Stroke | 2 (3%) | 30 (17%) | 0.007 |
| Renal failure | 1 (2%) | 14 (8%) | 0.22 |
| Smoker | 35 (58%) | 69 (40%) | 0.013 |
*
Medical history as noted in history/physical of admission note or on cardiology consult note