Table 1.
Baseline characteristics of all patients stratified by sex.
| Total Sample (N=3,536) |
Men (N=2,366) |
Women (N=1,170) |
P-Value | |
|---|---|---|---|---|
| Socio-Demographics (%) | ||||
| Age (Mean±SD) | 59.2 ± 12.0 | 58.0 ± 11.4 | 61.4 ± 12.7 | < 0.001 |
| Race | ||||
| White | 2475 (70.2%) | 1766 (74.9%) | 709 (60.8%) | |
| Black | 822 (23.3%) | 433 (18.4%) | 389 (33.3%) | < 0.001 |
| Other | 229 (6.5%) | 160 (6.8%) | 69 (5.9%) | |
| No health insurance | 738 (21.2%) | 505 (21.7%) | 233 (20.3%) | 0.346 |
| Married | 1891 (53.5%) | 1461 (61.7%) | 430 (36.8%) | < 0.001 |
| High school education | 2830 (80.4%) | 1928 (81.8%) | 902 (77.6%) | 0.003 |
| Employment status | ||||
| Not working | 1737 (49.5%) | 991 (42.2%) | 746 (64.3%) | |
| Working full time | 1430 (40.8%) | 1134 (48.3%) | 296 (25.5%) | < 0.001 |
| Working part time | 341 (9.7%) | 222 (9.5%) | 119 (10.2%) | |
| Difficulty getting care | ||||
| Extremely difficult | 237 (6.8%) | 140 (6.0%) | 97 (8.3%) | |
| Moderately difficult | 215 (6.1%) | 134 (5.7%) | 81 (7.0%) | |
| Somewhat difficult | 348 (9.9%) | 225 (9.6%) | 123 (10.6%) | 0.021 |
| Not very difficult | 415 (11.8%) | 285 (12.2%) | 130 (11.2%) | |
| No problem at all | 2292 (65.4%) | 1561 (66.6%) | 731 (62.9%) | |
| Medical History (%) | ||||
| Hypertension | 2315 (65.5%) | 1454 (61.5%) | 861 (73.6%) | < 0.001 |
| Diabetes | 1040 (29.4%) | 615 (26.0%) | 425 (36.3%) | < 0.001 |
| Current Smoking | 2095 (59.2%) | 1487 (62.8%) | 608 (52.0%) | < 0.001 |
| Chronic Heart Failure | 258 (7.3%) | 160 (6.8%) | 98 (8.4%) | 0.082 |
| Chronic Lung Disease | 245 (6.9%) | 123 (5.2%) | 122 (10.4%) | < 0.001 |
| Chronic Kidney Disease | 231 (6.5%) | 152 (6.4%) | 79 (6.8%) | 0.710 |
| Peripheral Vascular Disease | 167 (4.7%) | 98 (4.1%) | 69 (5.9%) | 0.020 |
| Atrial Fibrillation | 159 (4.5%) | 108 (4.6%) | 51 (4.4%) | 0.781 |
| Dyslipidemia | 1737 (49.1%) | 1151 (48.6%) | 586 (50.1%) | 0.420 |
| Prior Angina | 520 (14.7%) | 357 (15.1%) | 163 (13.9%) | 0.360 |
| Prior CAD | 1114 (31.5%) | 769 (32.5%) | 345 (29.5%) | 0.069 |
| Prior Stroke/TIA | 230 (6.5%) | 139 (5.9%) | 91 (7.8%) | 0.031 |
| Alcohol Abuse | 343 (9.7%) | 281 (11.9%) | 62 (5.3%) | < 0.001 |
| Cancer | 256 (7.2%) | 154 (6.5%) | 102 (8.7%) | 0.017 |
| Depression | 265 (7.5%) | 132 (5.6%) | 133 (11.4%) | < 0.001 |
| Sleep Apnea | 102 (2.9%) | 88 (3.7%) | 14 (1.2%) | < 0.001 |
| Obesity (BMI ≥30kg/m2) | 1411 (39.9%) | 891 (37.7%) | 520 (44.4%) | < 0.001 |
| Clinical Characteristics (%) | ||||
| GRACE Score >100 | 1678 (47.5%) | 1039 (43.9%) | 639 (54.6%) | < 0.001 |
| Ejection Fraction <40% | 587 (19.4%) | 419 (20.6%) | 168 (16.9%) | 0.014 |
| STEMI | 1583 (44.8%) | 1131 (47.8%) | 452 (38.6%) | < 0.001 |
| NSTEMI | 1953 (55.2%) | 1235 (52.2%) | 718 (61.4%) | |
| Diseased vessels | ||||
| 0 | 281 (8.5%) | 126 (5.6%) | 155 (14.5%) | |
| 1 | 1410 (42.6%) | 945 (42.1%) | 465 (43.5%) | < 0.001 |
| 2 | 875 (26.4%) | 636 (28.3%) | 239 (22.4%) | |
| 3 | 747 (22.5%) | 538 (24.0%) | 209 (19.6%) | |
| Initial heart rate (BPM) (Mean±SD) | 81.7 ± 21.9 | 80.8 ± 21.9 | 83.6 ± 21.6 | < 0.001 |
| Initial Systolic Blood pressure (Mean±SD) | 143.4 ± 30.3 | 142.7 ± 29.5 | 144.8 ± 31.8 | 0.055 |
| Peak Troponin (I/T) (Mean±SD) | 29.6 ± 76.1 | 33.2 ± 78.7 | 22.3 ± 69.9 | < 0.001 |
| Initial Creatinine (Mean±SD) | 1.2 ± 1.0 | 1.3 ± 1.0 | 1.1 ± 0.9 | < 0.001 |
| Peak CK (Mean±SD) | 1018.8 ± 1435.8 | 1145.5 ± 1556.8 | 755.4 ± 1099.2 | < 0.001 |
| F/U Appt w/Cardiologist | 2914 (82.4%) | 1962 (82.9%) | 952 (81.4%) | 0.252 |
|
In-Hospital Revascularization Procedures /complications |
||||
| None | 837 (23.7%) | 468 (19.8%) | 369 (31.5%) | |
| PCI | 2366 (66.9%) | 1652 (69.8%) | 714 (61.0%) | < 0.001 |
| CABG | 333 (9.4%) | 246 (10.4%) | 87 (7.4%) | |
| In-Hospital Bleeding | 359 (10.2%) | 249 (10.5%) | 110 (9.4%) | 0.298 |
| In-Hospital Transfusion | 384 (10.9%) | 221 (9.3%) | 163 (13.9%) | < 0.001 |
| In-Hospital Cardiac Arrest | 79 (2.2%) | 62 (2.6%) | 17 (1.5%) | 0.027 |
| In-Hospital Cardiogenic Shock | 99 (2.8%) | 66 (2.8%) | 33 (2.8%) | 0.958 |
| In-Hospital AMI | 15 (0.4%) | 10 (0.4%) | 5 (0.4%) | 1.000 |
Abbreviations: CAD= coronary artery disease, TIA=transient ischemic attack, BMI=body mass index, GRACE score=global registry of acute coronary events, STEMI=ST-elevation myocardial infarction, NSTEMI=non-ST-elevation myocardial infarction, BPM=beats per minute, CK=creatinine kinase, F/U=follow up, PCI=percutaneous coronary intervention, CABG=coronary artery bypass grafting, AMI= acute myocardial infarction.