Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Serum vitamin D levels in tuberculous (TB) patients and age, sex and ethnically matched controls. TB patients have significantly lower levels than controls with significantly fewer patients with normal levels and more with severe deficiency
| Culture +ve TB (N=119) | Healthy contacts (N=123) | χ | |
|---|---|---|---|
| Mean ± SD | 18 [11.8] | 29 [15.9] | P<0.001 |
| Normal levels (>39nmol/L) | 3 (2.5%) | 27 (22%) | P<0.001 |
| Severe deficiency (<20nmol/L) | 81 (68%) | 46 (37%) | P<0.001 |
