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Table 3 Co-variates of serum vitamin D status

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

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) 0.8 (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) 0.8 (0.5–1.3)
TB status n = 550
 1. PTB positive n = 279 24.21 (18.8–32.0) <0.001 0.57 (0.35–0.89a
 2. PTB negative 20.91 (17.1–26.9)
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)
  1. aThe odds ratio referent was hypovitaminosis D <30 ng/ml compared to optimal vitamin D concentration >30 ng/ml
  2. bReferent was serum vitamin D <20 ng/ml