Shingleton 1998.

Methods	CONTACT LASER. Subjects blinded: Tissue effect: vaporization
Participants	N=31 men. N=31 men. Country: USA Mean age: 67 years (range 48‐82) Race: not stated Not available to follow‐up: unclear
Interventions	1. VLAP + KTP (n=11) Nd‐YAG laser settings; 60 watts, 60 spd. KTP; 40 watts. 2. TVP (n=20): Catheter protocol: yes Routine antibiotics (preop): unclear Mean average of follow‐up: 6 months
Outcomes	AUA; PUF; Adverse events.
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Unclear risk	B ‐ Unclear