Table 1. Baseline characteristics of the participants by presence of premature ventricular complexes (PVCs).
| PVCs | P-value | ||
|---|---|---|---|
|
|
|||
| Present (n = 1,415) | Absent (n = 23,045) | ||
| Age (years) | 68.3±9.2 | 64.3±9.3 | <0.01 |
| Women | 642 (45.4) | 12828 (55.7) | <0.01 |
| African American | 593 (41.9) | 9193 (39.9) | 0.13 |
| Education | |||
| No high school | 219 (15.5) | 2570 (11.1) | <0.01 |
| High school/no college | 372 (26.3) | 5889 (25.6) | |
| College or professional | 824 (58.2) | 14586 (63.3) | |
| Geographic Region | 0.03 | ||
| Non-Belt | 667 (47.2) | 10128 (43.9) | |
| Belt | 480 (33.9) | 8019 (34.8) | |
| Buckle | 268 (19.0) | 4898 (21.3) | |
| Current smoker | 184 (13.0) | 3219 (14.0) | 0.31 |
| Prior heart disease | 359 (25.4) | 3509 (12.2) | <0.01 |
| Hypertension | 915 (64.7) | 12958 (56.2) | <0.01 |
| Systolic blood pressure (mm Hg) | 130.1±16.9 | 126.9 ± 16.4 | <0.01 |
| Diabetes | 309 (21.8) | 4408 (19.1) | 0.01 |
| Body mass index (kg/m2) | 29.2±6.1 | 29.3±6.2 | 0.61 |
| Atrial Fibrillation | 134 (9.7) | 1768 (7.8) | 0.01 |
| Left ventricular hypertrophy | 158 (11.2) | 2171 (9.4) | 0.03 |
| Warfarin use | 49 (3.5) | 620 (2.7) | 0.08 |
| Aspirin use | 681 (48.1) | 9429 (40.9) | <0.01 |