Table 2: Comparative performance analysis of the diagnostic techniques.
Diagnostic Technique |
Positivity Rate n (%) |
Negativity Rate n (%) |
Chi square goodness of fit x2 (p-value) |
Nested IS2404 PCR |
122 (86.5%) |
19 (13.5%) |
- |
Conventional IS2404 PCR |
104 (73.8%) |
37 (26.25) |
19.7 (p < 0.001) |
BU-LAMP assay |
119 (84.4%) |
22 (15.6) |
0.547 (p = 0.459) |
Chi square goodness of fit was determined at 95% confidence interval.