Table 1.
Demographic and clinical characteristics of the study population.
| Vitamin D3 (n = 49) | Placebo (n = 48) | |
|---|---|---|
| Age, years (SD) | 67.6 (11.7) | 65.5 (11.7) |
| Male sex, n (%) | 34 (69.4) | 34 (70.8) |
| Type of stroke, n (%) | ||
| Cerebral infarction | 29 (58.3) | 28 (59.2) |
| Cerebral hemorrhage | 17 (35.4) | 17 (34.7) |
| Subarachnoid hemorrhage | 3 (6.3) | 3 (6.3) |
| Common comorbidities, n (%) | ||
| Hypertension | 20 (40.8) | 17 (35.4) |
| Dyslipidemia | 10 (20.4) | 3 (6.3) |
| Diabetes mellitus | 7 (14.3) | 4 (8.3) |
| Atrial fibrillation | 2 (4.1) | 2 (4.2) |
| Paretic side, n (%) | ||
| Right | 25 (51.0) | 27 (56.3) |
| Left | 24 (49.0) | 21 (43.8) |
| Days since stroke, mean (SD) | 34.2 (16.6) | 33.6 (15.6) |
| Barthel Index, mean (SD) | 50.7 (25.9) | 53.8 (23.0) |
| Brunnstrom stage, median (IQR) | ||
| Arm | 4 (2–5) | 4 (2–5) |
| Hand | 4 (2–5) | 4 (2–5) |
| Leg | 3 (2–5) | 3 (2–5) |
| Hand grip strength, kg, mean (SD) | ||
| Right | 16.2 (12.9) | 17.1 (13.0) |
| Left | 13.8 (14.3) | 15.8 (12.1) |
| Calf circumference, cm, mean (SD) | ||
| Right | 32.0 (2.9) | 32.3 (3.8) |
| Left | 31.8 (2.8) | 32.1 (4.0) |
SD, standard deviation; IQR, interquartile range.