Table 5.

Antibiotics Susceptibility Pattern of Carbapenem-Resistant K. pneumoniae Isolates to New Antibiotics According to Their Carbapenemase Genes (n=52)

Antibiotic Carbapenemase Gene	CZA			C/T			FDC
	S	I	R	S	I	R	S	I	R
	N	N	N	N	N	N	N	N	N
	(%)	(%)	(%)	(%)	(%)	(%)	(%)	(%)	(%)
CR Klebsiella (52):	11	-	41	0	0	52	50	2	0
	21	-	79	0.0	0.0	100	96	4	0.0
- Carbapenemase genes negative (n=10)	5	-	5	0	0	10	10	0	0
	50	-	50	0.0	0.0	100	100	0.0	0.0
- Carbapenemase genes positive (n=42)	6	-	36	0	0	42	40	2	0
	14.3	-	85.7	0.0	0.0	100	95.2	4.8	0.0
● Class B MBL (blaNDM) positive (n=17)	0	-	17	0	0	17	17	0	0
	0.0	-	100	0.0	0.0	100	100	0.0	0.0
● Class A (blaKPC) positive (n=6)	2	-	4	0	0	6	6	0	0
	33.3	-	66.7	0.0	0.0	100	100	0.0	0.0
● Class D (blaOXA-48) positive (n=10)	4	-	6	0	0	10	10	0	0
	40	-	60	0.0	0.0	100	100	0.0	0.0
● Both blaNDM+ OXA-48 positive (n=9)	0	-	9	0	0	9	7	2	0
	0.0	-	100	0.0	0.0	100	77.7	22.2	0.0

Abbreviations: CZA, ceftazidime–avibactam; C/T, ceftolozane–tazobactam; FDC, cefiderocol.