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. 2015 Aug 21;16(5):986–995. doi: 10.3348/kjr.2015.16.5.986

Table 2. Comparisons of Response Categories Assigned Based on MRI and Pathology.

Pathology Total Kappa Value (95% CI)
pCR Non-pCR
Overall 0.629 (0.484-0.773)
 rCR 25 9 34
 Non-rCR 12 128 140
Triple-negative 0.778 (0.573-0.984)
 rCR 10 1 11
 Non-rCR 3 34 37
HER2-positive 0.548 (0.326-0.771)
 rCR 14 4 18
 Non-rCR 8 33 41
ER-positive 0.470 (0.000-0.695)
 rCR 1 4 5
 Non-rCR 1 61 62

CI = confidence interval, ER = estrogen receptor, HER2 = human epidermal growth factor receptor 2, MRI = magnetic resonance imaging, pCR = pathologic complete response, rCR = radiologic complete response