Table 2.

Culture results: blood, rectal swab, cot swab and mothers’ hands swab specimens

Variables		Blood culture		Rectal culture		Cots culture		CGs’ hands culture
		n	%	n	%	n	%	n	%
Culture results	Positive	69	34.5	86	43	64	32	37	18.5
	Negative	131	65.5	114	57	136	68	163	81.5
Classification of positive blood culture	Gram-positive	10	14.5	NA	NA	NA	NA	NA	NA
	Gram-negative	59	85.5	NA	NA	NA	NA	NA	NA
Genus and species of isolated bacteria#	K. pneumoniae	28	47.5	49	45.4	18	28.1	17	45.9
	Acinetobacter spp	19	32.2	23	21.3	35	54.7	8	21.6
	E. coli	5	8.5	14	12.9	1	1.6	2	5.4
	C. freundii	3	5.1	10	9.3	3	4.7	1	2.7
	E. aerogenes	1	1.7	4	3.7	6	9.4	5	13.5
	Others*	3	5.1	8	7.4	1	1.6	4	10.8
Resistant to 3GCs (blood culture only)	Positive	55	93.2	NA	NA	NA	NA	NA	NA
	Negative	4	6.8	NA	NA	NA	NA	NA	NA
Amp-C beta lactamase (FOX≤18 mm)	Positive	23	38.9	50	46.3	48	75	22	59.5
	Negative	36	61.1	58	53.7	16	25	15	40.5
Genus and species of potential Amp-C beta lactamase producers	Acinetobacter spp	13	56.5	22	44	34	70.8	8	36.4
	C. freundii	3	13.0	7	14	3	6.3	1	4.5
	K. pneumoniae	2	8.7	12	24	4	8.3	5	22.7
	E. coli	2	8.7	2	4	1	2.1	1	4.5
	Others**	3	12.9	7	14	6	12.5	7	31.8

^#Blood culture: GNB only

*Blood culture: E. cloacae (n = 1), Salmonella spp. (n = 1) and unidentified GNB (n = 1)

*Rectal swabs: E. cloacae (n = 2), Shigella spp. (n = 2), P. aeruginosa (n = 1), Salmonella spp. (n = 1), K. oxytoca (n = 1) and P. agglomerans (n = 1)

*Neonatal cot swabs: A. hydrophila (n = 1)

*Mothers’ hands swabs: E. cloacae (n = 3), K. oxytoca (n = 1)

**Blood culture: E. aerogenes (n = 1), Salmonella spp. (n = 1) and unidentified GNB (n = 1)

**Rectal swabs: E. aerogenes (n = 3), E. cloacae (n = 2), P. aeruginosa (n = 1) and Salmonella spp. (n = 1)

**Neonatal cot swabs: E. aerogenes (n = 6)

**Mothers’ hands swabs: E. aerogenes (n = 4), E. cloacae (n = 2) and K. oxytoca (n = 1)