. 2015 Mar 23;10(3):e0121908. doi: 10.1371/journal.pone.0121908

Table 2. Association between clinical history, concomitant medical illness and Celiac Disease (n^* = 527).

Clinical history	CD Serology		p-value ^c
Clinical history	Positive ^a , n (%)	Negative ^b , n (%)
Diagnosed/suspected CD
Yes	0 (0.0)	2 (0.4)	0.879
No	6 (100.0)	519 (99.6)
Family history of CD
Yes	0 (0.0)	2 (0.4)	0.879
No	6 (100.0)	519 (99.6)
Anaemia/Iron Deficiency Anaemia
Yes	0 (0.0)	15 (2.9)	0.673
No	6 (100.0)	506 (97.1)
Type 1 Diabetes Mellitus
Yes	0 (0.0)	1 (0.2)	0.914
No	6 (100.0)	520 (99.8)
Thyroid disorders
Yes	0 (0.0)	6 (1.2)	0.791
No	6 (100.0)	515 (98.8)
History of underlying malignancy
Yes	0 (0.0)	2 (0.4)	0.879
No	6 (100.0)	519 (99.6)
Hepatic diseases
Yes	0 (0.0)	3 (0.6)	0.852
No	6 (100.0)	518 (99.4)

*A total of thirty-five questionnaires were missing and excluded from the statistical analysis

^aOne questionnaire was missing and excluded from the statistical analysis

^bThirty-four questionnaires were missing and excluded from the statistical analysis

^cPearson’s chi-square test was performed between clinical history and CD serology

Table 2. Association between clinical history, concomitant medical illness and Celiac Disease (n* = 527).