Table 3.

Correlation between % gastric dysrhythmia and GI-related symptoms

GI region	GIDQ GI symptoms	GMA	Spearman R	P value
Oesophagus	Heartburn	ch 3 Ar	0.79	<0.01
Stomach	Nausea frequency	ch 3 Br	0.5	0.04
	Abdominal bloating	ch 2 Br	0.6	<0.01
Anorectal	Rectal fullness	ch 2 Ar	0.59	<0.01
Abdominal pain	Abdominal pain	ch 4 Ar	0.43	0.06
	Awakened by pain	ch 2 Nl	−0.56	<0.02

GI-related symptoms derived from the GIDQ, Gastrointestinal Dysmotility Questionnaire, presented in Appendix 1. ch: channel; Ar: % of arrhythmia; Br: % of bradygastria; Nl: % of normal slow waves; GMA: gastric myoelectrical activity.