Frequency and antimicrobial resistance patterns of bacteria implicated in community urinary tract infections: a ten-year surveillance study (2000–2009)

Table 1 Incidence of the main ten bacteria implicated in urinary tract infection throughout the study period

	Children			Adolescents			Young adults			Adults			Elderly			Isolates in the 10 years (%)^a	Male (%)^a	Female (%)^a	MDR (%)
	0-12 years			13-18 years			19-34 years			35-64 years			> 65 years
Bacteria	Total^a	M^b	F^b	Total^a	M^b	F^b	Total^a	M^b	F^b	Total^a	M^b	F^b	Total^a	M^b	F^b	(N= 18797)	(N= 3641)	(N= 13939)
	(N = 615)	(n =137)	(n=478)	(N= 340)	(n=46)	(n=294)	(N= 4113)	(n=322)	(n=3791)	(N= 5810)	(n=1240)	(n=4570)	(N= 6702)	(n=1896)	(n=4806)
Enterobacter sp	1.3	0.3	1.0	2.1	1.2	0.9^c	2.0	0.3	1.7^c	1.7	0.4	1.3	2.5^d	1.3	1.1^c	1.9	3.6^c	1.7	60.8
E. faecalis	3.1	0.5	2.6	3.2	0.3	2.9	3.8	0.4	3.4	3.6	0.8	2.8	4.3	1.8	2.5^c	3.6	5.2^c	3.5	28.1
E. coli	71.1	15.8	55.3	65.9	5.9	60^a	69.9	4.7	65.3^c	71.4^d	14.2	57.3^c	66.2	14.9	51.4^c	64.5	58.5	71.7^c	17.0
Klebsiella sp	1.8	0.5	1.3	4.1	1.8	2.4^a	3.1	0.4	2.7^c	4.0	1.1	2.9^c	6.3^d	2.1	4.1^c	4.3	6.3^c	4.1	35.0
P. mirabilis	7.6^d	2.8	4.9^c	4.7	1.2	3.5	5.2	0.7	4.6^c	4.7	1.0	3.7	4.8	1.6	3.3	4.7	5.8^c	4.8	50.3
P. vulgaris	2.4	0.8	1.6	3.2	0.6	2.6	2.5	0.2	2.3	2.6	0.8	1.8^c	3.3	0.9	2.3	2.7	3.5^c	2.7	95.4
Providencia sp	2.0	0.3	1.6	2.1	0.3	1.8	1.8	0.1	1.6	1.7	0.3	1.4	1.9	0.6	1.3	1.7	1.8	1.8	95.3
P. aeruginosa	1.5	0.2	1.3	1.5	0.3	1.2	1.3	0.3	0.9^c	1.8	0.9	0.9^c	4.2^d	2.2	2.0^c	2.4	5.9^c	1.7	24.7
S. aureus	5.5	0.8	4.7	11.5^d	1.8	9.7	8.2	0.6	7.6	6.5	1.4	5.1	5.0	2.2	2.8^c	6.0	7.2^c	6.2	18.8
S. epidermidis	3.7^d	0.3	3.4	1.8	0.3	1.5	2.1	0.1	2.0	2.0	0.5	1.5	1.6	0.7	0.9^c	1.8	2.1	1.9	22.9
Total of UTI (%)	3.5	0.8	2.7	1.9	0.3	1.6	23.1	1.9	21.2	32.8	7.2	25.6	38.6	11.3	27.3		21.5	78.5

The incidence of UTI by sex, age group and multidrug resistance percentage.
N total number of bacteria for each age group; n: total number of bacteria for each sex; ^aPercentage determined in relation to N; ^bPercentage determined in relation to n; ^cstatistically significant differences of frequency between sex; ^dstatistically significant differences between age groups; M male, F female, MDR multidrug resistant.

ISSN: 1471-2334