Table 1.

Pearson correlation coefficients (mean ± standard deviation among folds) between the metrics and the segmentation performance metrics. Bold letters indicate the highest correlation among the different metrics.

	DSC	95th HD	MSD	Surface DSC
Cervical cancer cohort
Mean	0.72 ± 0.10	−0.53 ± 0.16	−0.57 ± 0.13	0.60 ± 0.1
STD	0.68 ± 0.06	−0.53 ± 0.14	−0.64 ± 0.13	0.70 ± 0.1
Mean (over entropy map)	0.43 ± 0.14	−0.38 ± 0.09	−0.43 ± 0.11	0.43 ± 0.15
HiS (λ = 0.30)	0.79 ± 0.05	−0.60 ± 0.13	−0.66 ± 0.10	0.67 ± 0.06
Rectal cancer cohort
Mean	0.60 ± 0.03	−0.42 ± 0.10	−0.61 ± 0.06	0.50 ± 0.08
STD	−0.32 ± 0.11	0.22 ± 0.18	0.35 ± 0.15	−0.27 ± 0.17
Mean (over entropy map)	−0.74 ± 0.06	0.47 ± 0.08	0.69 ± 0.07	−0.58 ± 0.09
HiS (λ = 0.30)	0.76 ± 0.08	−0.53 ± 0.07	−0.73 ± 0.09	0.62 ± 0.10