Table 1.

Spearman's correlation matrix

	N_voxel	MExN_voxel	IRExN_voxel	IRExME	AUC	RAMRIS_Oedema	RAMRIS_Synovitis	Doppler_CF

N_voxel	1.000
MExN_voxel	0.976^*	1.000
IRExN_voxel	0.878^*	0.916^*	1.000
IRExME	0.759^*	0.830^*	0.961^*	1.000
AUC	0.767^*	0.865^*	0.893^*	0.920^*	1.000
RAMRIS_Oedema	0.658^*	0.719^*	0.722^*	0.710^*	0.771^*	1.000
RAMRIS_Synovitis	0.770^*	0.831**	0.795^*	0.742^*	0.874^*	0.802^*	1.000
Doppler_CF	0.778^*	0.784^*	0.787^*	0.774^*	0.760^*	0.790^*	0.807^*	1.000

↵* Significant at the 0.01 level (2-tailed). N_voxel: voxels with the highest perfusion patterns; ME: maximal enhancement; IRE: initial rate of enhancement; AUC: area under the curve; CF: colour fraction.