Table 3.

 Crude endoscopic healing rates for erosive reflux disease (ERD) patients at four and eight weeks (patients with missing healing data are included as “unhealed”)

	4 weeks		8 weeks
	n	% Healed	n	% Healed
All patients	2221/3245	68.4	2515/3245	77.5
LA class A/B	1872/2634	71.1	2088/2634	79.3***
LA class C/D	349/611	57.1	427/611	69.9
Hp positive	548/761	72.0	603/761	79.2 NS
Hp negative	1645/2427	67.8	1877/2427	77.3
With BO	232/453	51.2	302/453	66.7***
Without BO	1989/2792	71.2	2213/2792	79.3

Hp, Helicobacter pylori; BO, Barrett’s oesophagus.

***p<0.0001, χ² test.