Table 5.
Mean MCC and HD values using U-Net-based lymph node segmentation by fine-tuning test scanner to pre-trained weights of train scanner. P-values are based on MCC scores between train and fine-tuned scanners.
| Train scanner | Fine-tuned scanner | MCC | HD (μm) | P-value |
|---|---|---|---|---|
| A | – | 0.80 ± 0.22 | 141.95 ± 82.36 | 4.55E − 05 |
| B | 0.81 ± 0.21 | 82.17 ± 40.96 | ||
| C | 0.85 ± 0.18 | 137.51 ± 68.12 | ||
| D | 0.77 ± 0.25 | 151.87 ± 78.28 | ||
| B | A | 0.80 ± 0.20 | 141.27 ± 84.15 | 3.31E − 05 |
| – | 0.81 ± 0.20 | 87.52 ± 46.23 | ||
| C | 0.82 ± 0.18 | 149.71 ± 75.07 | ||
| D | 0.73 ± 0.26 | 173.04 ± 92.99 | ||
| C | A | 0.78 ± 0.20 | 154.43 ± 91.76 | 1.52E − 14 |
| B | 0.82 ± 0.19 | 84.59 ± 45.32 | ||
| – | 0.81 ± 0.19 | 156.70 ± 79.84 | ||
| D | 0.75 ± 0.25 | 169.19 ± 97.35 | ||
| D | A | 0.86 ± 0.17 | 123.87 ± 74.08 | 8.71E − 05 |
| B | 0.85 ± 0.19 | 77.58 ± 42.05 | ||
| C | 0.87 ± 0.16 | 130.02 ± 67.91 | ||
| – | 0.83 ± 0.19 | 149.67 ± 83.95 |