Table 3.

Specificity and PPV of the LR-TR Viable Category for the Diagnosis of Residual Tumor

LR-TR Category	Imaging Modality	Treatment Modality	Inter-Reader Agreement (k)	Performance		Prevalence of Residual Viable Tumor (%)	Reference Standard	Citation
				Specificity for Residual Viable Disease (%)	PPV for Residual Viable Disease (%)
TR-Viable	MRI	RFA or MWA	0.71	85–97	_	41	Explant	Chaudhry, 202034
	MRI	RFA or MWA	0.75	99	93	39	Explant	Cools, 20207
	CT and MRI	TABE	0.55	_	86–92	_	Explant	Shropshire, 20196
	CT	All locoregional	_	90	_	_	Resection or explant	Park, 202072
	MRI		_	83	_	_
	CT	All locoregional	0.63	94	_	59	Explant	Youn, 202173
	MRI			76	_

Abbreviations: RFA, radiofrequency ablation; MWA, microwave ablation; TABE, transarterial bead embolization.