TABLE 2.

Univariate analysis of risk factors for CC95 and non-CC95 infections^a

Risk factor	Questionnaire (n = 62)		OR	95% CI	P valueb
	CC95 (n = 16)	Non-CC95 (n = 46)
Mean age (yrs)	42	46			0.38
Age ≥ 65 yrs	1	10	0.24	(0.01, 2.00)	0.16
Gender
Female	16	45
Male	0	1
UTI type
Complicated	2	9	0.59	(0.06, 3.41)	0.52
Uncomplicated	14	37
Diarrhea in past 6 mo	11	23	2.20	(0.67, 7.05)	0.19
Treated with antimicrobial drugs	0	0
Recurrent UTI
Past 3 mo	1	2	1.47	(0.02, 29.9)	0.76
Past yr	11	31	1.06	(0.28, 4.63)	0.92
Treated with antimicrobial drugs	11	25	1.85	(0.49, 7.84)	0.31
Antimicrobial drug use in past 1 mo	0	4
Hospitalization
Past 1 mo	0	2
Past 1 yr	1	6	0.44	(0.01, 4.21)	0.46
No. in household
≥3	15	29	8.79	(1.12, 391.4)	<0.05
≤2	1	17
Travel
Outside prefecture in past 3 mo	7	21	0.93	(0.25, 3.36)	0.89
Foreign country in past 1 yr	0	3
Sick during travel	0	0

^aCC, clonal complex; OR, odds ratio; CI, cornfield approximation confidence interval.

^bTwo-tailed Fisher exact test results were reported when ≤5 patients were in a category.