Table 1.
Subject characteristics in 515 twins, including 255 pairs and 5 singletons
| Variables | MZ twins | DZ twins |
|---|---|---|
| Subjects | 309 | 206 |
| Mean age ± SD, years | 55 ± 3.0 | 55 ± 2.7 |
| Caucasians | 295 (95.5) | 198 (96.1) |
| Mean BMI ± SD | 29.6 ± 4.7 | 29.5 ± 5.4 |
| Current smoking | 88 (28.5) | 43 (21.0) |
| Diabetes mellitus 2 | 40 (13.0) | 19 (9.3) |
| Coronary artery disease | 32 (10.4) | 22 (10.7) |
| Hypertension | 154 (49.8) | 99 (48.1) |
| β-Blockers | 25 (8) | 11 (5.3) |
| ACE-I/ARB | 52 (16.8) | 42 (20.4) |
| Aspirin | 75 (24.3) | 56 (27.2) |
| Statins | 72 (23.3) | 48 (23.3) |
| eGFR.ml/min/1.73 m2 | ||
| Mean (SD) | 88.3 (12.5) | 89.7 (13.1) |
| Median (25, 75%) | 88.0 (82.0,97.8) | 93.8 (82.6,97.9) |
Data presented as numbers (%), unless indicated otherwise. ACE-I/ARB = Angiotensin-converting enzyme inhibitor/angio-tensin receptor blocker.