Table 3:

Performance of genotypic resistance data for prediction of phenotypic antimicrobial resistance in Klebsiella pneumoniae.

Antibiotic	Sensitivity (%)	Specificity (%)	% agreement (CI)	PPV (100%)	NPV (100%)
Ampicillin	100	N/A	100 (91.2– 100)	100	N/A
Ceftriaxone	100	N/A	100 (91.2– 100)	100	N/A
Ceftazidime	100	N/A	100 (91.2–100)	100	N/A
TMP/SMX	91.9	33.3	87.5 (73.2–95.8)	94.4	25
Ciprofloxacin	97.3	66.6	95 (83.1–99.4)	97.3	66.67
Gentamicin	24.1	100	45 (29.2–61.5)	100	33.3
Meropenem	100	N/A	100 (91.2–100)	100	N/A
Levofloxacin	100	100	100 (91.19–100)	100	100
Cefepime	100	N/A	97.5 (86.8–99.9)	97.5	N/A
Tobramycin	100	100	100 (91.2– 100)	100	100
Ertapenem	100	N/A	100 (91.2– 100)	100	N/A
Cefazolin	100	N/A	100 (91.2– 100)	100	N/A
Aztreonam	100	N/A	100 (91.2– 100)	100	N/A
Total	94.7	88	94.4 (92.0–96.2)	99.4	45.8

PPV, positive predictive value; NPV, negative predictive value; CI, confidence intervals; N/A, not available