Table 3.

Semiquantitative PET/CT parameter cutoffs calculated using ROC-curve analysis for primary laryngeal cancer during initial staging.

Parameter	ROC Curve for PFS
	Cutoff	AUC 1 (95% CI)	p-Value	Sensitivity	Specificity
SUVmax	16.8	0.656 (0.532–0.767)	0.029	65.2%	71.7%
TLG	102.3	0.707 (0.585–0.810)	0.001	82.6%	69.6%
MTV	11.7	0.827 (0.717–0.907)	<0.001	91.3%	71.7%
	ROC Curve for OS
	Cutoff	AUC (95% CI)	p-Value	Sensitivity	Specificity
SUVmax	16.8	0.637 (0.512–0.749)	0.105	70.6%	69.2%
TLG	102.3	0.683 (0.560–0.790)	0.009	88.2%	65.4%
MTV	11.7	0.767 (0.650–0.860)	<0.001	88.2%	65.4%

¹ AUC: area under curve.