Suvakovic 1996.

Methods	HYBRID, CONTACT and NON‐CONTACT LASERS Tissue effect: Coagulation and vaporization Subjects blinded: Unclear
Participants	N=40, > 50 yrs old. Country/Region: UK Mean age: 65 yrs Race: White
Interventions	1. VLAP (non‐contact) side‐fire laser (n=10): Urolase Nd‐YAG laser settings; 60 watts, 60 spd x 4. 2. Contact laser group (n=10): Urolase Nd‐YAG laser settings; 40 watts. 3. VLAP (non‐contact) side‐fire laser + debridement (n=10). 4. TURP (n=10). Catheter protocol: yes Routine antibiotics (preop): yes Mean average of follow‐up: 12 months
Outcomes	AUA; PUF; Prostate size; Adverse events.
Notes	Inclusion criteria: Prostate volume < 40 cc; AUA > 15; PUF</=15 ml/s; PSA < 2.5 ng/ml.
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Unclear risk	B ‐ Unclear