| Characteristics | Placebo | Vitamin D treated | ||||
| Baseline | 12 Weeks | p value | Baseline | 12 Weeks | p value | |
| Blood Pressure (systolic), mean (SD) | 128.5 (15.2) | 125.8 (13.3) | 0.1815 | 125.2 (16.1) | 126.9 (15.0) | 0.5939 |
| Blood Pressure (Diastolic), mean (SD) | 84.5 (10.5) | 82.2 (9.2) | 0.1794 | 80.9 (11.4) | 81.1 (12.0) | 0.8898 |
| 24-hour Blood Pressure (Systolic), mean (SD) | 131.4 (15.4) | 128.4 (14.0) | 0.2474 | 128.8 (15.5) | 127.4 (16.4) | 0.4155 |
| 24-hour Blood Pressure (Diastolic), mean (SD) | 85.6 (11.0) | 83.9 (10.1) | 0.649 | 83.4 (10.5) | 82.0 (11.6) | 0.3602 |
| Augmentation Index, mean (SD) | 31.0 (12.0) | 29.3 (11.0) | 0.2834 | 28.2 (11.2) | 27.6 (11.0) | 0.585 |
| Urine Isoprostane, mean (SD) | 14.9 (15.8) | 11.7 (12.1) | 0.6806 | 14.4 (11.6) | 11.0 (9.4) | 0.0173 |
| Laboratory, mean (SD) | ||||||
| Serum 25(OH)D level, nmol/L | 16.5 (5.0) | 17.2 (6.4) | 0.5319 | 17.0 (5.2) | 34.5 (7.1) | <0.0001 |
| Serum Calcium level, mg/dl | 9.3 (0.4) | 10.0 (7.5) | 0.6364 | 9.4 (0.3) | 9.4 (0.4) | 0.5234 |
| Intact PTH level, pmol/L | 49.9 (33.6) | 49.7 (37.6) | 0.3125 | 43.4 (19.9) | 37.5 (16.2) | 0.0063 |