Levels of vitamin D detected in 272 patients.
| Age (years) | n | Vitamin D level (mcg/l), mean (SD) | Range |
|---|---|---|---|
| <15 | 23 | 8.3 (4.52) | 2.5–17.9 |
| 15–64 | 228 | 6.8 (3.61) | 1.0–19.0 |
| >64 | 21 | 8.9 (4.27) | 2.8–16.0 |
| Females, 18–44 years | 141 | 5.9 (2.89) | 1.0–16.3 |
Reference range provided by local laboratories = 19–57 mcg/l. SD = standard deviation