Bacterial Pathogens and Antimicrobial Resistance Patterns in Pediatric Urinary Tract Infections: A Four-Year Surveillance Study (2009–2012)

Table 1

The main bacterial pathogens implicated in urinary tract infection by sex and age throughout the study period.

Bacteria	Neonates			Infants			Children
	Total^a (𝑁=437)	Male^b (𝑛=260)	Female^b (𝑛=177)	Total^a (𝑁=377)	Male^b (𝑛=217)	Female^b (𝑛=160)	Total^a (𝑁=395)	Male^b (𝑛=187)	Female^b (𝑛=208)
E. coli	57.7	54.2	62.7	70.8	66.8	76.3	68.1	62.0	73.6
Klebsiella	36.2	38.1	33.3	19.4	21.2	16.8	21	23.0	19.2
P. aeruginosa	2.3	3.1	1.1	5.0	6.0	3.8	3.8	5.3	2.4
S. coagulase positive	1.6	2.3	0.6	3.2	4.1	1.8	6.6	9.2	4.3
Citrobacter	1.6	1.5	1.7	0.8	0.5	1.3	0.3	0.0	0.5
Enterobacter	0.6	0.8	0.6	0.5	0.9	0.0	0.0	0.0	0.0
Proteus	0.0	0.0	0.0	0.3	0.5	0.0	0.3	0.5	0.0

aPercentage determined in relation to 𝑁; ^bpercentage determined in relation to 𝑛.