Deep learning-based algorithm for postoperative glioblastoma MRI segmentation: a promising new tool for tumor burden assessment

Brain Informatics

Table 2 Experimental dice scores and Hausdorff 95 distances obtained during fivefold cross-validation on the postoperative Molinette Hospital dataset for the two available modalities configurations

Model	Available modalities	All (Dice score)	GTV (Dice score)	Cavity (Dice score)	Mean (Dice score)	All (Hausdorff 95 distance)	GTV (Hausdorff 95 distance)	Cavity (Hausdorff 95 distance)	Mean (Hausdorff 95 distance)
Fold 0	FLAIR, T1ce	74.45	74.52	69.77	72.91	15.20	9.96	8.78	11.31
Fold 0	FLAIR, T1, T1ce, T2	73.07	72.70	71.23	72.33	14.77	10.70	12.07	12.51
Fold 1	FLAIR, T1ce	77.80	74.89	54.78	69.16	8.09	16.36	59.18	27.88
Fold 1	FLAIR, T1, T1ce, T2	76.62	82.39	50.05	69.69	7.99	15.87	57.70	27.19
Fold 2	FLAIR, T1ce	76.10	71.41	55.93	67.81	11.40	11.60	75.23	32.74
Fold 2	FLAIR, T1, T1ce, T2	75.07	75.48	55.85	68.80	13.71	12.55	75.98	34.08
Fold 3	FLAIR, T1ce	77.16	81.23	71.82	76.74	7.83	7.03	47.00	20.62
Fold 3	FLAIR, T1, T1ce, T2	76.86	81.38	71.96	76.73	7.83	6.59	46.30	20.24
Fold 4	FLAIR, T1ce	77.02	80.43	69.31	75.59	9.34	6.56	57.94	24.61
Fold 4	FLAIR, T1, T1ce, T2	73.93	79.58	68.50	74.00	10.00	6.96	58.70	25.22
Mean + -STD	FLAIR, T1ce	76.51 ± 1.16	76.50 ± 3.75	64.32 ± 7.38	72.44 ± 3.49	10.37 ± 2.72	10.30 ± 3.56	49.63 ± 22.32	23.43 ± 7.24
Mean + -STD	FLAIR, T1, T1ce, T2	75.11 ± 1.48	78.31 ± 3.67	63.52 ± 8.90	72.31 ± 2.88	10.86 ± 2.88	10.53 ± 3.49	50.15 ± 21.27	23.85 ± 7.20