Table 2.

Overall clinical effectiveness of G-POEM

	Before	6 month	12 month	18 month	24 month
Total (n)	79	79	60	47	33
Clinical response (n)		61	47	35	27
GCSI	2.97 ± 0.6	1.12 ± 0.77	1.04 ± 0.53	1.22 ± 0.58	0.88 ± 0.39
p value*		< 0.0001	< 0.0001	< 0.0001	< 0.0001

*Compared with GCSI before G-POEM