Egyptian Pediatric Association Gazette

Table 3 The relation between the presence of antibiotic resistance genes by PCR and the results of disc diffusion antimicrobial susceptibility test for carbapenems and colistin by standard microbiological tests

From: Klebsiella infections in a pediatric intensive care unit: incidence, antimicrobial susceptibility, and resistance genes

Resistant genes	Carbapenems resistance				Colistin resistance
	S (n = 17)		R (n = 9)		S (n = 20)		R (n = 6)
	No.	%	No.	%	No.	%	No.	%
CTX-M (n = 15)	10	66.7	5	33.3	11	73.3	4	26.7
χ²(p)	0.026 (^FEp=1.000)				1.262 (^FEp=0.356)
IMP (n = 1)	1	100.0	0	0.0	1	100.0	0	0.0
χ² (p)	0.551 (^FEp=1.000)				0.248 (^FEp=1.000)
KPC (n = 1)	1	100.0	0	0.0	1	100.0	0	0.0
χ² (p)	0.551 (^FEp=1.000)				0.248 (^FEp=1.000)
NDM (n = 17)	12	70.6	5	29.4	13	76.5	4	23.5
χ² (p)	0.588 (^FEp=0.667)				0.584 (^FEp=0.628)
OXA-48-like (n = 3)	1	33.3	2	66.7	2	66.7	1	33.3
χ² (p)	1.539 (^FEp=0.268)				0.434 (^FEp=0.488)
VIM (n = 1)	1	100.0	0	0.0	0	0.0	1	100.0
χ² (p)	0.551 (^FEp=1.000)				4.368 (^FEp=0.192)

χ² chi-square test, FE Fisher’s exact, S susceptible, R resistant, CTX-M cefotaximase, IMP imipenemases, KPC Klebsiella pneumonaie carbapenemases, NDM, New-Delhi, M, OXA oxacillinase, VIM veronem integron M

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