Gender and Age-Dependent Etiology of Community-Acquired Urinary Tract Infections

Table 1

Distribution of bacterial isolates from urine samples (n = 13820). Data are reported as number of isolates and percentages (within brackets) of total.

Gram-negative		Gram-positive
E. coli	9344 (67.6)	Enterococcus spp. ^g	879 (6.4)
K. pneumoniae ^a	1217 (8.8)	S. agalactiae	313 (2.3)
Proteus spp. ^b	734 (5.3)	S. aureus	51 (0.4)
P. aeruginosa	345 (2.5)	Staphylococcus spp. ^h	28 (0.2)
Enterobacter spp. ^c	295 (2.1)
K. oxytoca	239 (1.7)
Citrobacter spp. ^d	227 (1.6)
M. morganii	83 (0.6)
Providencia spp. ^e	46 (0.3)
Other Gram-negative ^f	19 (0.1)
All Gram-negative	12549 (90.8)	All Gram-positive	1271 (9.2)

Includes: ^assp pneumoniae (1204 isolates) and ozaenae (13); ^bP. mirabilis (723) and P. vulgaris (11); ^cE. aerogenes (153) and E. cloacae (142); ^dC. koseri (180), C. freundii (42), C. braakii (3), and C. youngae (2); ^eP. stuartii (38) and P. rettgeri (8); ^fA. baumannii (9), S. marcescens (8), and S. maltophilia (2); ^gE. faecalis (868) and E. faecium (11); ^hS. saprophyticus (21), S. epidermidis (4), S. haemolyticus (2), and S. warneri (1).