Table 6.

Disease-Specific and -Free Survival in High-Risk GIST.

	1-Year Probability (%)	3-Year Probability (%)	5-Year Probability (%)
Overall survival	91.9	80.8	69.5
DSS	95.9	89.7	84.9
DFS	80.8	77.1	72.2

High-Risk Patients (n = 37)	1-Year DSS/DFS (%)	3-Year DSS/DFS (%)	5-Year DSS/DFS (%)
p16-positive
Cutoff > 10%	77.8/30.0	46.7/30.0	31.1/20.0
Cutoff > 20%	75.0/22.2	37.5/22.2	18.8/11.1
Cutoff > 50%	80.0/16.7	26.7/16.7	n.a./n.a.
p16-negative
Cutoff > 10%	92.6/57.8	84.2/48.9	74.4/44.5
Cutoff > 20%	92.9/59.4	84.8/50.9	75.5/46.7
Cutoff > 50%	90.1/56.9	82.6/49.3	74.0/45.5

n.a. indicates not available.