Table 5.

Extract of radiomic features determination to forward to model development for prediction of pathological complete response, utilising correlation analysis.

	Spearman rank correlation coefficients						AUROC
	Variance	Entropy	P90	rlv	lze	zlv
Variance		0.883	0.791	0.534	0.578	0.584	0.697
Entropy	0.883		0.868	0.301	0.290	0.287	0.655
P90	0.791	0.868		0.203	0.216	0.220	0.671
rlv	0.534	0.301	0.203		0.928	0.910	0.693
lze	0.578	0.290	0.216	0.928		0.997	0.749
zlv	0.584	0.287	0.220	0.910	0.997		0.761

Abbreviations: AUROC, area under the receiver operating curve; P90, 90^th percentile; rlv, run length variance; lze, large zone emphasis; zlv, zone length variance.