Table 1.

Inclusion and exclusion criteria in most studies.

Inclusion criteria	Exclusion criteria (in most studies)
• Age > 50 years • Prostate volume 20–70 ml (on ultrasound) • IPSS > 12 • Qmax < 15 ml/s • PVR < 350 ml	• Obstructive median lobe • Active urinary tract infection • PSA > 10 ng/ml (unless negative biopsy) • Prostatitis within past 1 year • History of urinary retention • Previous BPH surgery • Previous pelvic surgery/irradiation

BPH, benign prostatic hyperplasia; IPSS, international prostate symptom score; PSA, prostate specific antigen; PVR, postvoid residual; Qmax, maximum urinary flow rate; QoL, quality of life.