Table 3 Distribution patterns of carbapenemase genes were identified using lateral flow assay and precision evaluation of phenotypic test (lateral flow) compared to PCR
Carbapenem resistant bacterial strains | Genotypic method (PCR) | Immunochromatographic method (Lateral flow) | Specificity % | Sensitivity % | CI 95% | ||||
|---|---|---|---|---|---|---|---|---|---|
blaNDM | blaOXA | blaVIM | blaIMP | blaKPC | |||||
E. coli | blaNDM negative (n = 17) | Not detected | 7 (41%) | Not detected | 100 | 100 | [80.49 − 100%] | ||
blaNDM Positive (n = 17) | 17 (100%) | 9 (52.9%) | Not detected | 100 | 100 | ||||
K. pneumoniae | blaNDM negative (n = 17) | Not detected | 14 (82.3%) | Not detected | 100 | 100 | |||
blaNDM Positive (n = 17) | 17(100%) | 8 (47%) | Not detected | 100 | 100 | ||||