Esophagogastric junction distensibility assessed using the functional lumen imaging probe

Table 1 Summary of all eligible studies

Ref.	Quality Score	n (pre-intervention)	n (post-intervention)	Bag length (cm)	Bag volume(s) (mL)
Healthy
Fukazawa et al[4], 2014	7	9	N/A	8	20, 40, 50
Lin et al[18], 2013	6	10	N/A	16	30, 40, 50, 60
Rieder et al[8], 2013	7	4	N/A	8	30, 40
Rohof et al[19], 2012	7	15	N/A	14	50
Nathanson et al[7], 2012	7	50	N/A	8	30
Kwiatek et al[5], 2011	8	15	N/A	10	20, 30, 40
Kwiatek et al[6], 2010	6	20	N/A	7	10, 20, 30, 40
Kwiatek et al[17], 2010	6	10	N/A	12	30, 40, 50, 60
Beaumont et al[16], 2009	5	8	N/A	10	60
Achalasia
Teitelbaum et al[13], 2014	8	56	LHM (20), POEM (36)	8	40
Familiari et al[9], 2014	7	23	POEM (21)	8	30
Teitelbaum et al[12], 2014	8	31	LHM (12), POEM (19)	8	30, 40
Teitelbaum et al[11], 2013	8	25	LHM (11), POEM (14)	8	30, 40, 50
Verlaan et al[20], 2013	8	10	POEM (8)	14	20, 30, 40, 50
Pandolfino et al[10], 2013	8	23	treated (31)	10	20, 30, 40
Rieder et al[8], 2013	7	4	POEM (4)	8	30, 40
Rohof et al[19], 2012	7	30	Treated (30)	14	50
GERD
Rinsma et al[15], 2014	7	15	TIF (15)	8	30
Ilczyszyn et al[14], 2014	8	17	Nissen (17)	8	30, 40
Kwiatek et al[6], 2010	6	20	N/A	7	10, 20, 30, 40
Kwiatek et al[17], 2010	6	10	Fundoplicstoin (10)	12	30, 40, 50, 60
Beaumont et al[16], 2009	5	7	RFA (7)	10	60