The efficacy of deep learning models in the diagnosis of endometrial cancer using MRI: a comparison with radiologists

Urushibara, Aiko; Saida, Tsukasa; Mori, Kensaku; Ishiguro, Toshitaka; Inoue, Kei; Masumoto, Tomohiko; Satoh, Toyomi; Nakajima, Takahito

doi:10.1186/s12880-022-00808-3

Table 6 Experiment 2-diagnostic performance of the CNNs

From: The efficacy of deep learning models in the diagnosis of endometrial cancer using MRI: a comparison with radiologists

Test image set	Training image set	Sensitivity	Specificity	Accuracy	AUC	P-value for AUC^†
Axial ADC map	Axial ADC map	0.94 (0.87–0.98)	0.87 (0.79–0.91)	0.91 (0.83–0.95)	0.95 (0.91–1.00)	–
	All axial	0.84 (0.76–0.90)	0.87 (0.78–0.93)	0.86 (0.77–0.91)	0.93 (0.87–0.98)	0.345
	All	0.90 (0.82–0.95)	0.80 (0.72–0.86)	0.86 (0.77–0.91)	0.89 (0.81–0.96)	0.069
Axial T2WI	Axial T2WI	0.90 (0.83–0.95)	0.83 (0.74–0.88)	0.87 (0.79–0.92)	0.90 (0.84–0.96)	–
	All T2WI	0.92 (0.85–0.96)	0.89 (0.81–0.94)	0.91 (0.83–0.95)	0.94^† (0.88–0.99)	0.218
	All axial	0.86 (0.79–0.91)	0.87 (0.78–0.93)	0.87 (0.78–0.92)	0.90 (0.84–0.97)	0.934
	All	0.90 (0.83–0.95)	0.85 (0.76–0.90)	0.88 (0.80–0.93)	0.91^† (0.85–0.98)	0.627
Sagittal T2WI	Sagittal T2WI	0.90 (0.82–0.95)	0.80 (0.72–0.86)	0.86 (0.77–0.91)	0.88 (0.81–0.95)	–
	All T2WI	0.94 (0.87–0.98)	0.80 (0.72–0.85)	0.88 (0.80–0.92)	0.92^† (0.86–0.98)	0.188
	All sagittal	0.90 (0.83–0.95)	0.83 (0.74–0.88)	0.87 (0.79–0.92)	0.91^† (0.84–0.97)	0.507
	All	0.86 (0.79–0.91)	0.87 (0.78–0.93)	0.87 (0.78–0.92)	0.92^† (0.85–0.98)	0.424
Axial CE-T1WI	Axial CE-T1WI	0.84 (0.71–0.93)	0.89 (0.76–0.96)	0.87 (0.78–0.93)	0.93 (0.87–0.98)	–
	All CE-T1WI	0.84 (0.77–0.89)	0.91 (0.83–0.96)	0.88 (0.80–0.92)	0.93 (0.89–0.98)	0.716
	All axial	0.92 (0.85–0.97)	0.78 (0.70–0.83)	0.86 (0.78–0.90)	0.88 (0.80–0.95)	0.086
	All	0.86 (0.78–0.92)	0.84 (0.76–0.91)	0.86 (0.77–0.91)	0.91 (0.85–0.97)	0.589
Sagittal CE-T1WI	Sagittal CE-T1WI	0.90 (0.83–0.95)	0.83 (0.74–0.88)	0.87 (0.79–0.92)	0.90 (0.84–0.97)	–
	All CE-T1WI	0.86 (0.79–0.91)	0.87 (0.78–0.93)	0.87 (0.78–0.92)	0.92^† (0.87–0.98)	0.524
	All sagittal	0.90 (0.83–0.95)	0.85 (0.76–0.90)	0.88 (0.80–0.93)	0.91^† (0.85–0.98)	0.696
	All	0.98 (0.92–1.00)	0.83 (0.76–0.84)	0.91 (0.84–0.92)	0.95^† (0.89–1.00)	0.156

Diagnostic performance of the CNNs in the testing using single image sets with the addition of other image sets for training
ADC, Apparent Diffusion Coefficient; T2WI, T2 weighted image; CE-T1WI, contrast-enhanced T1 weighted image
^† vs. the CNN trained with the single image set

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