Figure 1. Sensitivity, specificity, positive predictive value (PPV) and negative predictive value (NPV) AFB smear and Gene Xpert compared to culture (n=200)

From

Comparison Studies of GENXPERT versus MGIT Culture of Bronchial Lavage in Sputum Smear Negative Suspected Pulmonary Tuberculosis

Abhay Uppe, Arti Sharma, Sayli Sawant, Deepak Gupta, Girija Nair

American Journal of Infectious Diseases and Microbiology. 2018, 6(2), 57-61 doi:10.12691/ajidm-6-2-4