Emergence of New Delhi Metallo-Beta-Lactamase (NDM) and Klebsiella pneumoniae Carbapenemase (KPC) Production by Escherichia coli and Klebsiella pneumoniae in Southern Vietnam and Appropriate Methods of Detection: A Cross-Sectional Study

Table 6

Comparison between the MHT and combined disk test.

Bacteria	Index	NDM detection			KPC detection
		MHT	EDTA	McNemar	MHT	Boronic	McNemar
E. coli (n=50)	TPR (%)	72.2	93.8	p=0.25	72.2	66.7	p=1.00
	SPC (%)	68.8	97.1	p=0.006	68.8	95.7	p<0.001
K. pneumoniae (n=50)	TPR (%)	89.7	90.5	p=1.00	89.7	100	NC
	SPC (%)	38.1	100	p<0.001	38.1	92.9	p<0.001

means nonparametric McNemar test.