Episodes of faecal incontinence per week
Study	Group	Measure	Patients	Baseline	Three months	'Off' period	'On' period	Change (%)	Follow‐up	Notes
Kahlke 2015#		Mean (SD)	14	18 (19.6)		8.4 (8.7)	1 (1.7)	‐7.4 ( ‐ 88%)	0.3 (0.5)	p<0.05
Kahlke 2015#
Leroi 2005#	Group of 19 who chose 'on' following the crossover period	Median (range)	Baseline: 16 3 months: 16 'Off' period: 19 'On' period: 19 Follow‐up: 18	3.5 (0 to 16)	0.3 (0 to 3)	1.7 (0 to 9)	0.7 (0 to 5)	‐1 (‐59%)	0.5 (0 to 11)	1. P < 0.05: 'off' versus 'on' period; 3 months, 'off' period, 'on' period, follow‐up period versus baseline.
Leroi 2005#	Group of 5 who chose 'off' following the crossover period	Median (range)	Baseline: 5 3 months: 4 'Off' period: 5 'On' period: 5 Follow‐up: 5	7 (0 to 11)	1.9 (1 to 10)	1.7 (0 to 11)	3.7 (0 to 11)	2 (118%)	3.5 (0 to 10)
Sørensen 2010#		Mean	7			0	0	0
Sørensen 2010#
Thin 2015	PTNS group	Mean±SD	16	10.6 ± 11.2	5.8 ± 6.9			‐4.3 (‐41%)	6.3 ± 6.9	Follow up was at 6 months. % change is reported as the difference between baseline and at 6 months.
Thin 2015	SNS group	Mean±SD	15	12.1 ± 13.7	2.8 ± 2.5			‐9 (‐74%)	3.1 ± 4.0	Follow up was at 6 months. % change is reported as the difference between baseline and at 6 months.
Tjandra 2008	Control group	Mean±SD	60	9.2±13.4	8.1±14.1			0.2 (2%)	9.4±11.8	P > 0.05 at 3 months and 12 months compared with baseline. Follow‐up was at 12 months. % change is reported as the difference between baseline and at 12 months.
Tjandra 2008	SNS group	Mean±SD	53	9.5±12.8	2.9±6.3			‐6.4 (‐67%)	3.1±10.1	P < 0.0001 at all time points compared with baseline. Follow‐up was at 12 months. % change is reported as the difference between baseline and at 12 months.
Vaizey 2000#		Mean (range)	2	10 (5 and 15)		6 (2 and 10)	1 (0 and 1)	‐5 (‐83%)
Vaizey 2000#