Volume 17, Number 3—March 2011
Distinguishing Tuberculosis from Nontuberculous Mycobacteria Lung Disease, Oregon, USA
|Variable||No. patients||No. TB cases||PPV for TB (95% CI)|
|Age <50 y, not US born||44||43||0.98 (0.88–1.00)|
|Age >50 y, US born, COPD||12||1||0.08 (0.00–0.38)|
|Age <50 y||70||49||0.70 (0.58–0.80)|
|Not US born||80||65||0.81 (0.71–0.89)|
|Constitutional symptoms||117||56||0.48 (0.39–0.57)|
*PPV using all patients (n = 207); tuberculosis cases = 80. PPV, positive predictive value; TB, tuberculosis; CI, confidence interval; COPD, chronic obstructive pulmonary disease.
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