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. 2018 Mar 13;11:97–103. doi: 10.2147/CEG.S154235

Table 3.

A comparison of all the diagnostic modalities used and their sensitivities, specificity

Parameters Specificity (%) Sensitivity (%) PPV (%) NPV (%) Accuracy (%)
Colonoscopic finding 65.79 100 84.15 100 87.85
CECT Abdomen 47.37 86.96 74.77 66.67 72.90
Abdominal lymphadenopathy 36.84 66 47.83 55.26 50.46
BACTEC 100 20.29 100 40.86 48.60
Granuloma on histology 78.95 36.23 75.76 40.54 51.40
TBPCR positive 78.95 71.01 85.96 60 73.83
Complete response to ATT 100 100 100 100 100

Abbreviations: ATT, anti-TB therapy; CECT, contrast-enhanced computed tomography; NPV, negative predictive value; PPV, positive predictive value; TBPCR, tuberculosis polymerase chain reaction.