Table 1.

Baseline demographics, pre- and postoperative data

Parameter	Cold knife DVIU	Holmium laser	p value
Age	39.38 ± 13.4	38.13 ± 12.3	0.61
Mean length of stricture	1.31 ± 0.252	1.34 ± 0.251	0.53
Mean operating time	16.3 ± 1.78	20.96 ±2.23	0.0001
Preoperative Qmax (ml/s)	5.3 ± 1.98	5.8 ± 2.1	0.207
Postoperative Qmax (ml/s)
At Day 3	21.4 ± 2.75	21.7 ±2.73	0.569
At 3 months	23.4 ± 2.71	23.6 ± 2.72	0.703
At 6 months	23.7 ± 2.74	23.8 ± 2.78	0.851
Complications	12.7%	9.6%
Bleeding	5	0	0.764
Fever	0	2
Fluid extravasation	2	3
Mean VAS pain score	4.1 ± 1.68	3.9 ± 1.59	0.51
Number of patients require reintervention	4 (7.27%)	4 (7.69%)	1

DVIU: direct visual internal urethrotomy; VAS: Visual Analogue Scale.