表 4. The distribution of the top 6 important features of model1.

T分期model1前6个最重要特征在数据集上的分布

Dataset	Index	Top 6 featrues
		1	2	3	4	5	6
		Original_shape_ MinorAxis Length.1	Original_glcm_ Contrast	Original_gldm_ LargeDependence LowGrayLevelEmphasis	Original_shape_ Maximum2D DiameterRow.1	Original_glszm_ HighGrayLevel ZoneEmphasis	Original_shape_ Maximum2D DiameterRow
*With no multiple testing correction.
Training set	Stage T1-2	25.11±8.25	22.17±28.07	1.19±1.30	39.14±14.86	200.45±264.37	37.79±14.66
	Stage T3-4	31.18±8.73	12.31±12.16	2.39±3.42	51.39±21.61	140.12±124.86	51.03±20.71
	P*	0.000	0.010	0.335	0.001	0.209	0.000
	AUC	0.739	0.644	0.554	0.677	0.570	0.693
Test set	Stage T1-2	22.98±5.98	17.22±14.01	2.45±3.47	34.98±16.06	129.72±87.07	32.11±14.80
	Stage T3-4	29.06±8.83	12.34±10.85	3.39±6.35	45.99±18.22	129.72±104.79	45.67±21.29
	P*	0.037	0.229	0.751	0.063	0.892	0.078
	AUC	0.702	0.619	0.533	0.682	0.515	0.673
Original dataset	Stage T1-2	25.26±8.38	22.82±28.05	1.38±2.32	40.76±15.59	208.06±265.76	39.32±14.55
	Stage T3-4	30.65±8.75	12.32±11.79	2.64±4.32	50.04±20.84	137.52±119.64	49.70±20.87
	P*	0.000	0.003	0.197	0.014	0.063	0.004
	AUC	0.710	0.657	0.568	0.630	0.598	0.654