Table 1. Study Cohort Demographic Information.
| Vitamin D deficient | Vitamin D insufficient | Vitamin D sufficient | p-value | |
|---|---|---|---|---|
| n | 7 | 11 | 5 | |
| Age (years) | 41.6 (14.7) | 55.5 (12.1) | 61.4 (3.0) | 0.033 |
| Female (%) | 1 (14) | 2 (18) | 2 (40) | 0.525 |
| Serum 25(OH)2D3 (nmol/L) | 39.9 (10.4) | 63.9 (7.3) | 89.7 (19.0) | <0.0001 |
| Etiology of heart failure | ||||
| Ischemic | 1 (14.3) | 7 (63.6) | 3 (60) | 0.103 |
| Nonischemic dilated cardiomyopathy | 6 (85.7) | 3 (27.3) | 2 (40) | 0.050 |
| Arrhythmogenic right ventricular cardiomyopathy | 0 (0) | 1 (9.1) | 0 (0) | 0.565 |
Data expressed as mean (± SD) or n (%), p-values calculated using one-way analysis of variance for continuous variables and chi-square test for categorical variables.