Table 2 Age- and sex-adjusted relative risk of different cancers between persons with positive and negative tissue transglutaminase antibodies (Celikey tTG) and endomysial antibodies (EMA)

	Celikey tTG			EMA
	Celikey tTG-negative n = 6647	Celikey tTG-positive n = 202	p Value	EMA-negative n = 6776	EMA-positive n = 73	p Value
Cancer, all sites
Cases	671	23		689	5
Relative risk (95% CI)*	1.00	0.91 (0.60 to 1.37)	0.64	1.00	0.67 (0.28 to 1.61)	0.33
Lymphoproliferative disease
Cases	28	3		29	2
Relative risk (95% CI)*	1.00	2.76 (0.83 to 9.16)	0.15	1.00	5.94 (1.41 to 25.04)	0.05
Gastrointestinal cancer
Cases	115	6		121	0
Relative risk (95% CI)*	1.00	1.38 (0.60 to 3.14)	0.47	1.00	0.00 (–)	0.12
Lung cancer
Cases	83	2		85	0
Relative risk (95% CI)*	1.00	0.73 (0.18 to 2.97)	0.64	1.00	0.00 (–)	0.26
Breast cancer, women
Cases†	89	2		90	1
Relative risk (95% CI)*	1.00	0.64 (0.16 to 2.59)	0.49	1.00	0.71 (0.10 to 5.07)	0.71
Prostate cancer, men
Cases‡	56	1		57	0
Relative risk (95% CI)*	1.00	0.54 (0.07 to 3.90)	0.50	1.00	0.00 (–)	0.41

*Age- and sex-adjusted. †Only women at risk were included. ‡Only men at risk were included.