Table 1.

Comparison between CD patients, GI controls and Healthy controls

	Total	GI controlsa (Group 2)	P value CDb vs GI controls	CD (Group 1)	P value CD vs Healthy controls	Healthy Controls (Group 3)
Total	1000	446	-	315	-	239
Mean Age (years)	43.7 (18 – 93)	44.1 (18 – 89)	.6515	44.6 (18 – 92)	.0249*	41.7 (18–93)
Females	662 (66.20%)	298 (66.82%)	.078	230 (73%)	<.0001*	134 (56.07%)
SIgADc n (%)	10 (1%)	3 (0.67%)	.173	6 (1.90%)	.248	1 (0.42%)
PIgADd n (%)	61 (6.10%)	32 (7.17%)	.22	15 (4.76%)	.57	14 (5.86%)
Mean IgA (mg/Dl)	202 (0 – 800)	201 (0 – 800)	.12	215 (0 – 800)	.0030*	185 (0 – 800)

^aNon Celiac Disease patients with gastrointestinal symptoms,

^bCeliac Disease,

^cSelective immunoglobulin A deficiency,

^dPartial Immunoglobulin A deficiency,

^*Significant P value