From: External Quality Assessment (EQA) program for the preanalytical and analytical immunohistochemical determination of HER2 in breast cancer: an experience on a regional scale
Score
N slides
kcs
95% Confidence interval of kcs
Lower limit
Upper limit
0
64
0.80
0.64
0.97
1+
0.54
0.31
0.78
2+
0.37
0.07
0.70
3+
0.85
1.00