Risk of bias survey
1120
= 160 * 7
	High	Low	Unclear	Total
Survey responders N = 54	53	281	44	378
Survey responders N = 54	378	378	378
Survey responders N = 54	14.0%	74.3%	11.6%	100.0%
Survey non‐responders N = 106	31	286	425	742
Survey non‐responders N = 106	742	742	742
Survey non‐responders N = 106	4.2%	38.5%	57.3%	100.0%
				1120
All patients (yes + no survey responders) N = 160	86	564	470	1120
All patients (yes + no survey responders) N = 160	1120	1120	1120
All patients (yes + no survey responders) N = 160	7.7%	50.4%	42.0%	100.0%