Table 5 Univariate and multivariate logistic regression analysis on bladder neck contracture.

Age

1.02

0.98-1.05

0.413

Hypertension

1.31

0.57-2.74

0.499

Diabetes

2.08

1.06-4.13

0.031

2.16

1.09-4.32

0.026 

Preoperative indwelling catheter

2.25

0.81-5.34

0.083

PV

1.05

0.97-1.11

0.224

PVR

1.01

0.99-1.02

0.089

Qmax, mL/s

1.03

0.94-1.13

0.609

PdetQmax, cmH₂O

≤30 

Reference

>30 and ≤60

0.39 

0.11-1.08 

0.097

>60 and ≤80

0.56

0.20-1.26 

0.200 

>80

0.57

0.29-1.03

0.069

Bladder capacity, ml

1.00

0.99-1.01

0.514

Preoperative IPSS

1.08

0.97-1.19

0.130

Preoperative QoL

0.65

0.38-1.12 

0.124

Surgery

 TURP

Reference

Reference

 Green-light laser

0.42 

0.20-0.94

0.042

0.40

0.18-0.97

0.034

 Holmium laser

0.50 

0.20-1.25

0.138

0.49 

0.18-1.37 

0.175 

Operative time, min

1.01

0.98-1.03

0.445

Catheter duration,d

1.03

0.75-1.38

0.828

Hematuria /clot retention

2.81

1.62-6.15

0.043

2.51

1.43-5.54

0.047

UTI

2.55

1.23-6.46

0.063