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PORTEC-1 GOG #99
Risk factors
- Age
< 60 vs. > 60
< 50 vs. 50-70 vs. > 70
- Grade
1-2 vs. 3
1 vs 2-3
- Invasion
< 50% vs. > 50% < 66% vs. > 66%
- LVSI
-
absent vs. present
HIR group
2 of 3 factors
< 50 ys and 3 factors
50-70 ys and
2 factors
> 70 ys and
1 factor
Creutzberg et al. 2000; Keys et al 2004
High intermediate risk