TABLE 3.
Summary of the subgroup-specific classification performance of the radiomics model.
| Molecular subgroups | Cohorts | Area under the curve | ACC (%) | SEN (%) | SPE (%) |
| Wingless | Training | 0.7576 (0.6113–0.9039) | 79.35 (52.15–90.22) | 66.67 (46.67–100.00) | 81.82 (44.16–97.40) |
| Testing | 0.8264 (0.5597–1) | 86.67 (76.67–100.00) | 50.00 (50.00–100.00) | 95.83 (75.00–100.00) | |
| Sonic hedgehog | Training | 0.8014 (0.6598–0.943) | 91.30 (65.22–95.65) | 62.50 (43.75–93.75) | 97.37 (59.21–100.00) |
| Testing | 0.6683 (0.361–0.9755) | 83.33 (33.33–93.33) | 75.00 (50.00–100.00) | 80.77 (23.08–100.00) | |
| Group 3 | Training | 0.8995 (0.8325–0.9665) | 83.70 (78.26–91.30) | 82.50 (62.50–95.06) | 84.62 (69.23–100.00) |
| Testing | 0.6004 (0.3887–0.8122) | 60.00 (56.67–80.00) | 78.57 (72.86–100.00) | 43.75 (18.75–93.75) | |
| Group 4 | Training | 0.9188 (0.8368–1) | 93.48 (79.35–97.83) | 76.19 (66.67–100.00) | 98.59 (77.46–100.00) |
| Testing | 0.6979 (0.4042–0.9916) | 76.67 (60.00–90.00) | 83.33 (50.00–100.00) | 75.00 (54.17–95.83) |
ACC, SEN, and SPE are short for accuracy, sensitivity, and specificity, respectively. The 95% confidence interval for each index is shown.