Applied Microscopy

Table 2 Result of HER2 score classification

From: Standardizing HER2 immunohistochemistry assessment: calibration of color and intensity variation in whole slide imaging caused by staining and scanning

	CCS	IHC-CS		Concordance (%)			SD of H-score
Methods		Method1	Method2	1 +	2 +	3 +	1 +	2 +	3 +
0–0	No	No	No	90	30	40	30.3	27.5	47.6
0–1	No	Yes	No	100	100	70	11.0	11.9	27.1
0–2	No	No	Yes	100	100	100	13.3	10.1	16.2
1–0	Yes	No	No	90	100	100	11.2	10.3	8.7
1–1	Yes	Yes	No	100	100	100	7.9	8.4	5.9
1–2	Yes	No	Yes	100	100	100	10.4	7.0	5.3

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