Volume 16, Number 5—May 2010
Dispatch
Vitamin D Deficiency and Tuberculosis Progression
Najeeha Talat, Sharon Perry, Julie Parsonnet, Ghaffar Dawood, and Rabia Hussain
Table
Prevalence of vitamin D deficiency in a cohort study of household contacts of tuberculosis patients, Karachi, Pakistan*
| Baseline characteristic | Total, no. (%) | Deficient, no. (%) | Insufficient, no. (%) | Sufficient, no. (%) | p value |
|---|---|---|---|---|---|
| Age group, y | |||||
| 6–17 | 44 (34) | 38 (86) | 4 (9) | 2 (5) | 0.13 |
| >18 |
84 (66) |
63 (75) |
14 (17) |
7 (8) |
|
| Sex | |||||
| Male | 54 (42) | 35 (65) | 12 (22) | 7 (13) | 0.003 |
| Female |
74 (58) |
66 (89) |
6 (8) |
2 (3) |
|
| Tuberculin skin test | |||||
| >10 mm | 101 (79) | 81 (80) | 14 (14) | 6 (6) | 0.49 |
| <10 mm |
27 (21) |
20 (74) |
4 (15) |
3 (11) |
|
| Total | 128 (100)† | 101 (79) | 18 (14) | 9 (7) |
*Deficient, <20 ng/mL; insufficient, 20–30 ng/mL; sufficient, >30 ng/mL. p values derived by χ2 test for comparison of deficient and insufficient or sufficient levels.
†Excluding 1 person with indeterminate result.
