Bacterial cultures
| Vitamin D3 | Placebo | Significance | |
|---|---|---|---|
| Number of samples per patient (mean, n=62/62) | 2.79 | 4.85 | p=0.010* |
| Number of positive samples per patient (mean, n=62/62) | 1.01 | 2.02 | p=0.052* |
| Fraction positive cultures (%) | 63/173 (36%) | 125/301 (41%) | p=0.28** |
| Patients with ≥1 sample taken | 38/62 (61%) | 50/62 (81%) | p=0.029** |
*Mann-Whitney U test.
**Fisher's exact test.