Comparison of N-PCR assay results of samples derived from 58 clinically diagnosed tuberculous pleural effusion patients: 16 AFB positive Vs 42 AFB Negative samples.

NOTE. PPV, positive predictive value; NPV, negative predictive value; OR, odds ratio; CI, confidence interval.*Categorized based on detection of AFB by smear microscopy/isolation by culture.**Categorized based on clinical criteria detailed in methods, but no AFB detected smear microscopy/isolation by culture.ns = not significant.