Association of high serum vitamin D concentrations with active pulmonary TB in an HIV co-endemic setting, Harare, Zimbabwe

Table 3 Co-variates of serum vitamin D status

Variable	Serum Vitamin D ng/ml Median(IQR)	p-value	Odds ratio 95%CI
Gender n = 533
1. Male n = 272	21.98 (16.4–28.5)	0.017	Referent
2. Female	22.83 (18.5–29.9)	0.017	0.8 (0.5–1.2)
Age n = 550
1. ≤50 years n = 452	22.63 (17.7–29.4)	0.409	Referent
2. >50 years	22.05 (17.6–28.8)	0.409	0.8 (0.5–1.3)
TB status n = 550
1. PTB positive n = 279	24.21 (18.8–32.0)	<0.001	0.57 (0.35–0.89^a
2. PTB negative	20.91 (17.1–26.9)	<0.001	0.57 (0.35–0.89^a
HIV status n = 550
Infected n = 283	22.14 (16.4–31.5)	0.394	0.38 (0.24–0.60)^a 1.86 (1.26–2.75)^b
Uninfected	22.63 (18.9–28.4)	0.394	0.38 (0.24–0.60)^a 1.86 (1.26–2.75)^b

^aThe odds ratio referent was hypovitaminosis D <30 ng/ml compared to optimal vitamin D concentration >30 ng/ml
^bReferent was serum vitamin D <20 ng/ml

ISSN: 1471-2334