Table 5.

Validity of HIS data necessary to calculate the SI

		Si calculated from HIS data
		ca in situ		localized		not-localized		matastatic		total
		n	%	n	%	n	%	n	%	n
SI calculated from CC	ca in situ	1	11,1	14	4	0	0	0	0	15
	localized	5	57	240	75	10	24	0	0	255
	not-localized	3	33	67	21	31	76	0	0	101
	metastatic	0	0	0	0	0	0	2	100	2
	total	9	100	321	100	41	100	2	100	373

Kappa= 0.35

p < 0.00

values in bold represent the positive predictive value