Table 4.

Scoring of model with a combination of perfusion parameters.

	Combining model	Scoring
		0	1	2	3
Ktrans	BPCL & 50th percentile	<0.03 & <0.22	≥0.03† or ≥0.22†	≥0.03† & ≥0.22†	—
	BPCL & skewness	<0.03 & >0.52	≥0.03† or ≤0.52†	≥0.03† & ≤0.52†	—
	BPCL & 50 percentile & skewness	<0.03 & <0.22 & >0.52	One of ≥0.03† or ≥0.22† or ≤0.52†	Two of ≥0.03† or ≥0.22† or ≤0.52†	≥0.03† & ≥0.22† & ≤0.52†
Kep	B   PCL & 50th percentile	<0.21 & <0.51	≥0.21† or ≥0.51†	≥0.21† & ≥0.51†	—
	BPCL & skewness	<0.21 & ≥0.82	≥0.21† or <0.82†	≥0.21† & <0.82†	—
	BPCL & 50 percentile & skewness	<0.21 & <0.51 & ≥0.82	One of ≥0.21† † or ≥0.51† or <0.82†	Two of ≥0.21† † or ≥0.51† or <0.82†	≥0.21†† & ≥0.51† &<0.82†
Ve	BPCL & 50th percentile	<0.20 & >0.52	≥0.20† or ≤0.52†	≥0.20† & ≤0.52†	—
	BPCL & skewness	<0.20 & >−0.10	≥0.20† or ≤−0.10†	≥0.20† & ≤−0.10†	—
	BPCL & 50th percentile & skewness	<0.20 & >0.52 & >−0.10	One of ≥0.20† or ≤0.52† or ≤−0.10†	Two of ≥0.20† or ≤0.52† or ≤−0.10†	≥0.20† & ≤0.52† & ≤−0.10†

^†The optimal cut off point was obtained from Youden index on ROC curve.