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Table 3 k cs statistic and 95% Jackknife confidence interval by HER2 score

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+ 64 0.54 0.31 0.78
2+ 64 0.37 0.07 0.70
3+ 64 0.85 0.70 1.00