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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
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Trials

ISSN: 1745-6215