Double-balloon enteroscopy-assisted dilatation avoids surgery for small bowel strictures: A systematic review

Table 1 Descriptive analysis of the main variables in the studies

Author	Year of publication	# patients	# patients undergoing dilatations	Total # strictures dilated	Aetiology stricture	Length stricture (cm)	FU (months)
Yamamoto et al[13]	2004	23	6	6	Mixed	NR	NR
Pohl et al[16]	2006	19	9	13	CD	≤ 4	16 (4-26)
Ohmiya et al[17]	2009	66	22	47	Mixed	NR	16 (2-43)
Despott et al[18]	2011	11	9	18	CD	< 5	20.5 (2-41)
Hayashi et al[19]	2008	18	2	2	NSAID	NR	NR
Hirai et al[11]	2014	65	52	52	CD	≤ 5	41.8 ± 24.9
Gill et al[20]	2014	32	14	15	Mixed	NR	16 (3-60)
Irani et al[21]	2012	13	12	17	Mixed	≤ 2	46
Nishimura et al[22]	2011	8	7	11	Ischemic	≤ 3	16
Fukumoto et al[23]	2007	156	31	50	Mixed	NR	11.9 (1-40)
Sunada et al[24]	2016	99	85	291	CD	< 5	41.9
Kita et al[25]	2006	NR (at least 45)	45	45	Mixed	NR	NR
Kroner et al[2]	2015	71	16	16	Mixed	NR	NR
Total		626	310	583

CD: Crohn’s disease; NSAIDS: Non-steroidal anti-inflammatory drugs; NR: Not reported.