Skip to main content
. Author manuscript; available in PMC: 2011 Nov 1.
Published in final edited form as: Int J Tuberc Lung Dis. 2010 Nov;14(11):1447–1453.

Table 4.

PPV and NPV of BMI thresholds in predicting the development of HIV-associated tuberculosis

All TST <5 mm TST ≥5 mm
Baseline BMI <17 kg/m2
    n 979 649 312
    PPV 0.27 0.40 0.17
    NPV 0.91 0.93 0.86
BMI decrease ≥0.5 kg/m2
    n 837 548 272
    PPV 0.16 0.11 0.24
    NPV 0.93 0.93 0.91
TST ≥5 mm*
    n 961 — —
    PPV 0.14 — —
    NPV 0.93 — —
*

Data available for 961 subjects.

PPV = positive predictive value; NPV = negative predictive value; HIV = human immunodeficiency virus; BMI = body mass index; TST = tuberculin skin test.