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