Table 2 AUCs of optimized models using individual versus combined MRI features.
Model type | Full N = 384 pCR rate = 29.7% | HR+/HER2-N = 162 pCR rate = 14.8% | HR+/HER2+N = 60 pCR rate = 31.7% | HR-/HER2+N = 30 pCR rate = 66.7% | HR-/HER2-N = 132 pCR rate = 38.6% |
|---|---|---|---|---|---|
FTV only | 0.77 (0.73, 0.83) | 0.72 (0.61, 0.84) | 0.71 (0.52, 0.85) | 0.67 (0.48, 0.74) | 0.74 (0.64, 0.83) |
BPE only | 0.69 (0.62, 0.76) | 0.66 (0.47, 0.73) | 0.76 (0.64, 0.88) | 0.75 (0.46, 0.81) | 0.62 (0.50, 0.74) |
SPH only | 0.69 (0.62, 0.75) | 0.68 (0.54, 0.81) | 0.65 (0.48, 0.74) | 0.73 (0.47, 0.77) | 0.56 (0.49, 0.67) |
LD only | 0.79 (0.73, 0.85) | 0.73 (0.61, 0.84) | 0.78 (0.63, 0.89) | 0.64 (0.49, 0.86) | 0.75 (0.64, 0.83) |
Combined | 0.81 (0.76, 0.86) | 0.83 (0.77, 0.92) | 0.88 (0.79, 0.97) | 0.83 | 0.82 (0.74, 0.91) |
