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Table 3 Reason for withdrawal (reasons for withdrawal from treatment are indicated under “Prior to treatment”)

From: Design, planning and implementation lessons learnt from a surgical multi-centre randomised controlled trial

Reason for withdrawal HAL
N = 24
RBL
N = 11
Prior to treatment
 Found to be ineligible after randomisation 0 2
 Participant withdrew consent 15 3
 Lost to follow up prior to procedure 6 2
 Symptoms resolved/treated elsewhere 2 1
 Ineligible at time of procedure 1 0
After treatment
 Participant withdrew consent 0 3
  1. Reproduced with permission from Brown et al. 2016 [27]. HAL haemorrhoidal artery ligation, RBL rubber band ligation