Table 1.

Performance Metrics for T2 or FLAIR Whole Tumor Segmentation Models, and T1-Gd and T2 or FLAIR Enhancing Tumor Segmentation Models

Model and region/metric	Dice score Mean ± SD (median)	Sensitivity Mean± SD (median)	95% Hausdorff distance Mean ± SD (median)
One-sequence models—WT
FLAIR-only	0.84 ± 0.17 (0.90)	0.83 ± 0.18 (0.88)	8.09 ± 13.20 (3.32)
T2-only	0.82 ± 0.19 (0.89)	0.8 ± 0.21 (0.88)	8.24 ± 12.79 (3.61)
Two-sequence models—ET
T1-Gd and FLAIR	0.65 ± 0.35 (0.79)	0.76 ± 0.26 (0.86)	6.41 ± 9.25 (3)
T1-Gd and T2	0.64 ± 0.36 (0.79)	0.76 ± 0.26 (0.85)	6.09 ± 9.33 (2.83)

Abbreviations: ET, enhancing tumor; FLAIR, fluid-attenuated inversion recovery; SD, standard deviation; WT, whole tumor.