Table 1.

 Demographic data and baseline features (intention to treat intention to treat population)

	ERD		NERD
	n	%	n	%
All patients	3245	100	2970	100
Males	1966	60.6	1337	45.0
Females (***v males)	1279	39.4	1633	55.0
Age (y) (mean (range))***	54.5 (18–92)	–	53.0 (18–91)	–
BMI (mean (range))***	27.3 (15–65)	–	26.6 (15–49)	–
BO diagnosed***	453	14.0	69	2.3
LA grade C/D	611	18.8	–	–
H pylori positive***	761	23.5	846	28.5
Ulcer history***	92	2.8	39	1.3
Previous GORD medication***	2376	73.2	2036	68.6
Extraoesophageal symptoms**	1269	39.1	1051	35.4
	LA A/B	LA C/D	NERD	All
Disease duration (mean y)
All	5.7***	7.2***	5.1	5.6
With BO	6.6 NS	9.2*	7.0	7.5
Without BO	5.6**	6.4***	5.0	5.4

ERD, erosive reflux disease; NERD, non-erosive reflux disease; BMI, body mass index; BO, Barrett’s oesophagus; GORD, gastro-oesophageal reflux disease.

*p<0.05, **p<0.01, ***p<0.001, ERD versus NERD.