Table 1:
Patient Demographics and Clinical Characteristics of the Study Sample
| Variables | All Patients (n=750) |
Major Adverse Cardiac Events (MACE) | |
|---|---|---|---|
| MACE (n=145, 19%) |
No MACE (n=605, 81%) |
||
| Demographics | |||
| Age (years; mean, Standard deviation) | 59 ± 17 | 64 ± 15 | 58 ± 17 |
| Sex (Male) | 427 (57%) | 86 (59%) | 347 (57%) |
| Race (Black) | 300 (40%) | 33 (23%) | 268 (44%) |
| Major Adverse Cardiac Event Risk Factors | |||
| Ever Smoked | 434 (58%) | 85 (59%) | 350 (59%) |
| Hypertension | 519 (70%) | 100 (69%) | 419 (70%) |
| Diabetes Mellitus | 196 (26%) | 48 (33%) | 148 (25%) |
| Hyperlipidemia | 259 (35%) | 53 (37%) | 206 (34%) |
| Coronary Artery Disease | 248 (33%) | 57 (39%) | 191 (32%) |
| Old Myocardial Infarction | 205 (28%) | 53 (37%) | 152 (25%) |
| Known Heart failure | 130 (18%) | 32 (22%) | 98 (16%) |
| Prior PCI or CABG | 207 (28%) | 59 (41%) | 148 (25%) |
| Chief Complaint | |||
| Chest Pressure | 645 (87%) | 127 (88%) | 518 (87%) |
| Shortness of Breathing | 215 (29%) | 44 (30%) | 171 (29%) |
| Heart Rhythm Abnormalities | 126 (17%) | 26 (18%) | 100 (17%) |
| Atypical Symptoms | 94 (13%) | 21 (15%) | 73 (12%) |
Abbreviations: PCI: percutaneous coronary intervention; CABG: coronary artery by-pass grafting surgery.
Bolded numbers indicate p-value < 0.05.