Table 1.
Baseline demographic characteristics of patients by gender and cohort
| Characteristic | Coronary Artery Disease | Unexplained Chest Pain | Difference Between Cohorts | ||||
|---|---|---|---|---|---|---|---|
| (n = 5303) | (n = 20521) | ||||||
| 21 % | 79 % | ||||||
| Total | Female | Male | Total | Female | Male | P value | |
| CAD | 6 % | 94 % | UCP | 13 % | 87 % | ||
| Median Age in years (IQR) | 42 (34,49) | 38 (26,44) | 42 (34,49) | 31 (23,40) | 29 (23,39) | 31 (23,40) | <.001 |
| Race | |||||||
| White | 58 % | 41 % | 59 % | 55 % | 42 % | 57 % | <.001 |
| Black | 19 % | 38 % | 18 % | 21 % | 36 % | 19 % | |
| Hispanic | 9 % | 6 % | 9 % | 12 % | 9 % | 13 % | |
| Others | 14 % | 15 % | 14 % | 12 % | 13 % | 11 % | |
| Married | 69 % | 41 % | 71 % | 51 % | 35 % | 54 % | <.001 |
| Educated (High School or higher) | 99 % | 99 % | 99 % | 99 % | 99 % | 99 % | 0.02* |
| Cardiac Risk Factors | |||||||
| Hypertension | 50 % | 31 % | 51 % | 29 % | 21 % | 30 % | <.001 |
| Diabetes | 14 % | 7 % | 14 % | 5 % | 4 % | 6 % | <.001 |
| Hyperlipidemia | 57 % | 34 % | 58 % | 33 % | 22 % | 35 % | <.001 |
| Smoking | 37 % | 29 % | 38 % | 39 % | 29 % | 40 % | 0.01 |
| Obesity | 33 % | 30 % | 33 % | 28 % | 25 % | 28 % | <.001 |
Note: Table percentage are column percentage; *percentage are rounded off to the nearest decimal; the p is significant at > .05 level using Chi-sq Test