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Table 2 Sampling frame

From: Urodynamics for Prostate Surgery Trial; Randomised Evaluation of Assessment Methods (UPSTREAM) for diagnosis and management of bladder outlet obstruction in men: study protocol for a randomised controlled trial

Arm Urodynamic testing Non-invasive testing Total
Treatment Surgery Conservative Surgery Conservative  
IPSS/ICIQ-MLUTS storage subscales High Low High Low High Low High Low  
Pre treatment (after treatment decision) 4 4 4 4 3 3 3 3 28
Post treatment 4 4    4 4    16
Total trial interviews (to include a mix of older/younger, randomised groups receiving surgery or conservative treatment and location (weighted towards Bristol) 44
Telephone interviews with decliners and withdrawals (approximately 20 minutes each) 20
Grand total 64
  1. ICIQ-MLUTS International Consultation on Incontinence Questionnaires Male lower urinary tract infections, IPSS International Prostate Symptom Score