Table 2.

Distribution of results per center.

	Concordant Negative	Concordant Positive	C6 Pos/Routine Neg	C6 Neg/Routine Pos	Total
Romagna	254	13	22	7	296
Alto Adige	176	62	36	20	294
Giuliano-Isontina	134	56	9	15	214
Total	564	131	67	42	804