Variability of anti-human transglutaminase testing in celiac disease across Mediterranean countries

Table 2 Mean results from each Centre by the expected value

Expected values	1	3	10	20	50	60	100
Naples	0.23	0.76	10.67	19.50	48.99	59.66	91.12
Spain	0.16	0.69	7.73	16.32	34.13	62.13	67.73
Messina	1.60	1.97	3.04	21.17	57.87	52.75	95.25
Albania	0.77	1.01	6.22	15.25	44.27	44.12	62.61
Slovenia	0.10	0.70	8.10	16.73	44.30	41.33	89.2
Greece	0.83	1.76	14.13	25.97	56.99	89.12	86.05
Tunisia	0.16	0.16	4.48	10.56	31.68	36.69	64.85
Turkey	0.21	0.53	5.76	11.89	28.27	37.12	47.09
MEAN	0.51	0.95	7.52	17.17	43.31	52.87	75.49
SD	0.53	0.62	3.55	5.00	11.21	17.59	17.24