Risk Factors of Urinary Tract Infection in Pediatric Patients with Ureteropelvic Junction Obstruction after Primary Unilateral Pyeloplasty

Table 3

Multivariate analysis of the incidence of postoperative UTI in pediatric UPJO patients.

Characteristics		S.E.	Wals		Exp ()	95% CI
Gender	-0.705	0.31	5.166	0.023	0.494	0.269	0.908
	-0.032	0.013	6.118	0.013	0.968	0.944	0.993
	0.137	0.055	6.292	0.012	1.147	1.031	1.277
	-0.06	0.022	7.302	0.007	0.941	0.901	0.984
	-0.164	0.069	5.737	0.017	0.848	0.741	0.971
Cr	0.031	0.022	2.057	0.152	1.032	0.989	1.077
(mmol/L)	-0.285	0.088	10.437	0.001	0.752	0.632	0.894
Neutrophil (%)	0.03	0.021	1.98	0.159	1.03	0.988	1.074
Lymphocyte (%)	-0.018	0.023	0.606	0.436	0.982	0.938	1.028
Neutrophil/lymphocyte ratio	-0.267	0.239	1.248	0.264	0.766	0.479	1.223
Renal cortex thickness (mm)	-0.178	0.113	2.464	0.116	0.837	0.671	1.045
Surgical modality	0.142	0.245	0.336	0.562	1.152	0.713	1.861
Postoperative drainage	-1.978	0.303	42.751	0.001	0.138	0.076	0.25

BMI: body mass index; Cr: creatinine; BUN: blood urea nitrogen.