Cosmetic Outcome Assessment following Breast-Conserving Therapy: A Comparison between BCCT.core Software and Panel Evaluation

Table 3

Percentage interobserver agreement (above —) and interobserver weighted kappa (below —) ().

Observers	Percentage interobserver agreement										BCCT.core
	1	2	3	4	5	6	7	8	9	10
1	—	50	54	62	43	56	45	61	52	52	52
2	0.67	—	50	55	53	59	52	55	50	64	46
3	0.67	0.66	—	51	53	55	41	52	51	49	40
4	0.76	0.75	0.71	—	38	53	50	59	60	50	52
5	0.59	0.68	0.67	0.65	—	65	37	36	48	58	39
6	0.70	0.72	0.73	0.73	0.75	—	36	48	52	51	53
7	0.60	0.77	0.54	0.55	0.51	0.50	—	61	47	44	45
8	0.72	0.70	0.69	0.70	0.64	0.63	0.68	—	61	51	53
9	0.68	0.63	0.66	0.71	0.64	0.69	0.56	0.71	—	44	51
10	0.67	0.78	0.64	0.71	0.75	0.68	0.56	0.71	0.60	—	39
BCCT.core	0.50	0.54	0.52	0.65	0.55	0.61	0.52	0.61	0.59	0.50	—
			Interobserver weighted kappa