Table 6. The proposed criteria for original and modified models of the CLIP and TIS staging systems.

	Prognostic predictors for hepatocellular carcinoma patients								Scores
	Tumoral factor		Liver function				Tumor behavior
	Total tumorvolume	Tumor numberand size	Original Child-Turcotte-Pugh (CTP) classification	Modified CTPclassification			α-fetoprotein	Vascularinvasion
	<50/50–250/250–500/>500	Single and <50% liver span/multipleand <50% liver span/≧50% liver span	A/B/C	0/A/B/C	0/A/B-C	0/A–B/C	<400/>400	Absence/presence
Scores	0/1/2/3	0/1/2	0/1/2	0/1/2/3	0/1/2	0/1/2	0/1	0/1
CLIP		V	V				V	V	0–6
Modified CLIP Model A		V		V			V	V	0–7
Modified CLIP Model B		V			V		V	V	0–6
Modified CLIP Model C		V				V	V	V	0–6
TIS	V		V				V		0–6
Modified TIS Model A	V			V			V		0–7
Modified TIS Model B	V				V		V		0–6
Modified TIS Model C	V					V			0–6

Abbreviations: CTP, Child-Turcotte-Pugh; CLIP, Cancer of the Liver Italian Program; TIS, Taipei Integrated Scoring.