Table 1.

Reported number of events according to the Paykel’s interview, time lapse from the event to the diagnosis, and normative values (the standardized weight of each event in the scale) in coeliac disease (CD) and control gastroesophageal reflux disease (GERD) subjects.

Variables	CD	GERD	p
Number of patients	186	96
% with events	67.2%	37.5%	<0.001 *
Normative value of event, Paykel score (means ± SD)	11.5 ± 4.8	13.4 ± 4.3	0.001 **
Time lapse between event and diagnosis (months, means ± SD)	5.5 ± 4.1	5.7 ± 6.2	0.9 **

SD = standard deviation; * Chi square test, ** ANOVA.