TABLE 3.

Risk of any pancreatitis in relation to characteristics of patients with celiac disease.

Subgroup	Observed events	Expected events*	HR; 95% CI	P-value	Absolute risk/ 100,000 PYAR	Excess risk/ 100,000 PYAR	Attributable percentage
Sex
Females	233	81	2.89; 2.47–3.39	<0.001	115	75	65
Males	173	62	2.79; 2.32–3.36	<0.001	143	92	64
Age
10–19 yrs	39	10	3.80; 2.53–5.71	<0.001	27	20	74
20–39 yrs	69	21	3.33; 2.47–4.48	<0.001	116	81	70
40–59 yrs	146	58	2.53; 2.08–3.07	<0.001	198	119	60
≥60	152	53	2.85; 2.33–3.48	<0.001	355	230	65
Calendar period
-1989	82	27	3.00; 2.27–3.97	<0.001	96	64	67
1990–1999	181	66	2.74; 2.29–3.28	<0.001	113	72	64
2000–2008	143	48	2.96; 2.42–3.61	<0.001	184	122	66

HR, Hazard ratio; CI, Confidence interval; PYAR, Person-years at risk.

Reference is general population comparator cohort.

^*Expected number of events in patients with celiac disease was derived from the observed number of events divided by the HR.