Categories of serum 25(OH)D in the study participants (N = 351), St. Francis Hospital, Uganda, 2023
| Category | Definition serum 25(OH)D (ng/mL) | Absolute frequency (n) | Relative frequency (%) | 95% CI | Cumulative frequency (%) |
| Severe deficiency | <12.0 | 47 | 13.4 | 10.0 to 17.4 | 13.4 |
| Deficiency | 12 to <20 | 94 | 26.8 | 22.2 to 31.7 | 40.2 |
| Insufficiency | 20 to <30 | 111 | 31.6 | 26.8 to 36.8 | 71.8 |
| Normal | ≥30 | 99 | 28.2 | 23.6–33.2 | 100.0 |
| Total | 351 | 100.0 |
25(OH)D, 25-hydroxy-vitamin D.