Table 2.

Correlation between OGJ diameter after POEM with clinical outcomes and GORD

		# patients	Diameter OGJ (mean ± SD)	p-value
Dysphagia relief	ECK = 0	9	11.689 ± 1.822	0.432
	ECK > 0	12	11.067 ± 1.707
GORD at pH-metry	GERD	12	11.325 ± 1.658	0.981
	No GERD	9	11.344 ± 1.949
Oesophagitis	Oesophagitis	7	11.943 ± 0.616	0.267
	No oesophagitis	14	11.029 ± 2.046
GORD symptoms	Heartburn	3	12.100 ± 0.721	0.424
	No heartburn	18	11.206 ± 1.839

ECK: Eckardt Score; GORD: Gastro-oesophageal reflux disease.