Table 4.

Results of the Survival Analysis in GIST

Non-Disease-specific	1-year	3-year	5-year
Overall survival	91%	79%	71%
	1-year DSS (%)	3-year DSS (%)	5-year DSS (%)	1-year DFS (%)	3-year DFS (%)	5-year DFS (%)
Whole cohort
Survival	96	87	84	80	76	72
Risk of malignancy according to Fletcher et al. 2002 [1]
Very low	100	100	100	100	100	100
Low	100	95	95	95	95	95
Intermediate	100	100	100	100	100	100
High	89	71	65	53	44	38
Non-high	100	98	98	98	98	98
Cyclin H
Positive	90	80	72	78	67	67
Negative	97	89	87	80	79	73
Other criteria
Prim-local	100	97	94	95	90	85
Prim-metastasis	72	33	33	--	--	--
Met: any time	84	56	46	27	19	8
R0 resection	97	94	90	88	86	85
R1/2 resection	83	40	40	33	25	25

DSS = disease specific survival; DSF = disease free survival