Assessment of incidental focal colorectal uptake by analysis of fluorine-18 fluorodeoxyglucose positron emission tomography parameters

Table 3 Area under the curve and cut-off values of positron emission tomography parameters distinguishing malignant or/and premalignant from benign lesions

	Parameter	AUC	Cut-off	Confidence interval	Sensitivity	Specificity
Malignant	SUVmax	0.784	7.6	0.659 - 0.909	0.708	0.688
	SUVpeak	0.767	5.9	0.640 - 0.894	0.708	0.656
	mSUVmtv5	0.773	6.0	0.632 - 0.914	0.696	0.680
	mSUVmtv4.5	0.778	5.6	0.647 - 0.909	0.667	0.667
	mSUVmtv4	0.784	5.3	0.657 - 0.911	0.667	0.677
	mSUVmtv3.5	0.792	4.9	0.671 - 0.914	0.667	0.656
	mSUVmtv3	0.786	4.5	0.664 - 0.909	0.667	0.656
	mSUVmtv2.5	0.775	4.1	0.649 - 0.902	0.625	0.656
	mSUVmtv2	0.722	3.8	0.588 - 0.856	0.625	0.625
Premalignant	SUVmax	0.758	7.5	0.634 - 0.882	0.704	0.688
	SUVpeak	0.719	6.0	0.586 - 0.853	0.667	0.366
	mSUVmtv5	0.694	6.0	0.547 - 0.841	0.667	0.680
	mSUVmtv4.5	0.747	5.6	0.617 - 0.877	0.667	0.667
	mSUVmtv4	0.741	5.3	0.612 - 0.870	0.667	0.677
	mSUVmtv3.5	0.736	4.9	0.609 - 0.864	0.667	0.656
	mSUVmtv3	0.722	4.5	0.591 - 0.852	0.667	0.656
	mSUVmtv2.5	0.718	4.1	0.588 - 0.848	0.667	0.656
	mSUVmtv2	0.668	3.7	0.531 - 0.806	0.593	0.594
Malignant/	SUVmax	0.770	7.6	0.668 - 0.872	0.686	0.688
Premalignant	SUVpeak	0.742	6.0	0.635 - 0.848	0.647	0.656
	mSUVmtv5	0.730	6.0	0.613 - 0.847	0.680	0.680
	mSUVmtv4.5	0.761	5.6	0.656 - 0.867	0.667	0.667
	mSUVmtv4	0.761	5.2	0.656 - 0.866	0.686	0.677
	mSUVmtv3.5	0.763	4.9	0.658 - 0.867	0.667	0.656
	mSUVmtv3	0.752	4.5	0.645 - 0.859	0.667	0.656
	mSUVmtv2.5	0.745	4.1	0.636 - 0.854	0.647	0.656
	mSUVmtv2	0.694	3.7	0.577 - 0.810	0.588	0.594

SUV: Standardized uptake value; mSUVmtv#: mean SUV of metabolic tumor volume segmented by SUV threshold #; AUC: Area under the curve.