The risk factors of Urethrocutaneous fistula after hypospadias surgery in the youth population

Sheng, Xujun; Xu, Ding; Wu, Yu; Yu, Yongjiang; Chen, Jianhua; Qi, Jun

doi:10.1186/s12894-018-0366-z

BMC Urology

Table 3 The correlation among all the clinical parameters

From: The risk factors of Urethrocutaneous fistula after hypospadias surgery in the youth population

		Age	Pyuria before surgery	Urinary comorbidities before surgery	Urethral defect length	Penile chordee	Urethral plate tubularization	Free flap from oral cavity	Penis vascular pedicle flap	Two-stage surgical procedure	bladder stoma	Fever after surgery	Urethral operation history
Age	r	1.000	0.125	0.179*	0.630**	− 0.152	− 0.217*	0.110	0.236**	0.300**	0.280**	0.135	0.475**
Age	P value	.	0.174	0.050	0.000	0.098	0.017	0.232	0.009	0.001	0.002	0.141	0.000
Pyuria before surgery	r	0.125	1.000	0.150	0.140	−0.090	− 0.061	− 0.052	0.061	− 0.098	0.194*	0.205*	0.098
Pyuria before surgery	P value	0.174	.	0.102	0.127	0.330	0.510	0.573	0.510	0.289	0.034	0.025	0.285
Urinary comorbidities before surgery	r	0.179*	0.150	1.000	0.105	−0.353**	− 0.113	0.110	0.113	0.058	0.033	−0.016	0.471**
Urinary comorbidities before surgery	P value	0.050	0.102	.	0.253	0.000	0.220	0.230	0.220	0.528	0.724	0.865	0.000
Urethral defect length	r	0.630**	0.140	0.105	1.000	0.042	−0.298**	0.227*	0.301**	0.389**	0.334**	0.160	0.461**
Urethral defect length	P value	0.000	0.127	0.253	.	0.650	0.001	0.013	0.001	0.000	0.000	0.081	0.000
Penile chordee	r	−.0152	−0.090	−0.353**	0.042	1.000	0.077	−0.051	− 0.143	0.195*	− 0.117	0.004	−0.293**
Penile chordee	P value	0.098	0.330	0.000	0.650	.	0.404	0.578	0.120	0.033	0.203	0.962	0.001
Urethral plate tubularization	r	−0.217*	− 0.061	−0.113	− 0.298**	0.077	1.000	− 0.231*	− 0.899**	0.059	−0.136	− 0.161	−0.204*
Urethral plate tubularization	P value	0.017	0.510	0.220	0.001	0.404	.	0.011	0.000	0.521	0.138	0.079	0.025
Free flap from oral cavity	r	0.110	−0.052	0.110	0.227*	− 0.051	−0.231*	1.000	−0.021	0.164	0.029	0.035	0.202*
Free flap from oral cavity	P value	0.232	0.573	0.230	0.013	0.578	0.011	.	0.820	0.074	0.752	0.705	0.027
Penis vascular pedicle flap	r	0.236**	0.061	0.113	0.301**	− 0.143	−0.899**	− 0.021	1.000	−0.059	0.136	0.161	0.204*
Penis vascular pedicle flap	P value	0.009	0.510	0.220	0.001	0.120	0.000	0.820	.	0.521	0.138	0.079	0.025
Two-stage surgical procedure	r	0.300**	−.0098	0.058	0.389**	0.195*	0.059	0.164	− 0.059	1.000	0.041	−0.089	0.183*
Two-stage surgical procedure	P value	0.001	0.289	0.528	0.000	0.033	0.521	0.074	0.521	.	0.655	0.333	0.045
bladder stoma	r	0.280**	0.194*	0.033	0.334**	− 0.117	−0.136	0.029	0.136	0.041	1.000	0.097	0.219*
bladder stoma	P value	0.002	0.034	0.724	0.000	0.203	0.138	0.752	0.138	0.655	.	0.292	0.016
Fever after surgery	r	0.135	0.205*	− 0.016	0.160	0.004	−0.161	0.035	0.161	−0.089	0.097	1.000	0.202*
Fever after surgery	P value	0.141	0.025	0.865	0.081	0.962	0.079	0.705	0.079	0.333	0.292	.	0.027
Urethral operation history	r	0.475**	0.098	0.471**	0.461**	− 0.293**	− 0.204*	0.202*	0.204*	0.183*	0.219*	0.202*	1.000
Urethral operation history	P value	0.000	0.285	0.000	0.000	0.001	0.025	0.027	0.025	0.045	0.016	0.027	.

*P < 0.05
**P < 0.01

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