Antibiotic used in boronic acid disk test | No. of isolates confirmed by PCR as | Test performance | ||||
---|---|---|---|---|---|---|
Possessing NDM (n = 8) | Not possessing NDM (n = 13) | Sensitivity | Specific | Positive predictive value | Negative predictive value | |
IPM 300 | 6 | 3 | 75 % | 76.92 % | 66.67 % | 83.33 % |
MEM 300 | 7 | 8 | 87.5 % | 38.46 % | 46.67 % | 83.33 % |
IPM 600 | 7 | 8 | 87.5 % | 38.46 % | 46.67 % | 83.33 % |
MEM 600 | 7 | 9 | 87.5 % | 30.77 % | 43.75 % | 80 % |