Emerging Infectious Disease ISSN: 1080-6059

Vitamin D Deficiency and Tuberculosis Progression

Najeeha Talat, Sharon Perry, Julie Parsonnet, Ghaffar Dawood, and Rabia Hussain

Author affiliations: Aga Khan University, Karachi, Pakistan (N. Talat, R. Hussain); Stanford University School of Medicine, Stanford, California, USA (S. Perry, J. Parsonnet); Masoomeen General Hospital, Karachi, Pakistan (G. Dawood)

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Figure 2

Risk for tuberculosis (TB) progression, by baseline plasma vitamin D level. Risk for progression in 100 household contacts of TB patients are indicated in cohort-based tertiles of vitamin D levels in plasma at baseline: lowest, <7.4 ng/mL (red); middle, 7.4–13 ng/mL (black); highest, >13 ng/mL (blue). Plus signs indicate censoring points. Events are defined as time to diagnosis of active TB disease during follow-up.

Figure 2. Risk for tuberculosis (TB) progression, by baseline plasma vitamin D level. Risk for progression in 100 household contacts of TB patients are indicated in cohort-based tertiles of vitamin D levels in plasma at baseline: lowest, <7.4 ng/mL (red); middle, 7.4–13 ng/mL (black); highest, >13 ng/mL (blue). Plus signs indicate censoring points. Events are defined as time to diagnosis of active TB disease during follow-up.

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