Comparison of fully coated anti-reflux metal stenting and per-oral endoscopic myotomy in patients with achalasia: a propensity score-matched retrospective study

Table 4 Curative efficacy comparison among Ling’ subtype classifications, Barium meal grading and HRM classifications at 6-month, 1-year, and 2-year follow-up

	Ling’ classification (n)			p	Barium esophagram grade (n)			p	HRM classification (n)			p
	I	II	III	p	I	II	III	p	I	II	III	p
6-month
Remission	82	52	2	0.37	71	53	12	0.01	3	40	46	0.20
Failure	6	8	0		3	5	6		1	2	2
1-year
Remission	70	50	2	0.67	63	51	8	0.00	3	38	41	0.58
Failure	18	10	0		11	7	10		1	4	7
2-year
Remission	61	43	2	0.63	53	45	8	0.03	3	32	35	0.94
Failure	27	17	0		21	3	10		1	10	13

Fisher’s exact test, p > 0.05, no significant difference; p < 0.05, significant differences

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