Figure 2

Overall survival stratified according to risk group (log rank P<0.001 for low vs medium risk and P<0.001 for medium vs high risk, median overall survival: 30.53 vs 22.1 vs 5.9 months).

Overall survival stratified according to risk group (log rank P<0.001 for low vs medium risk and P<0.001 for medium vs high risk, median overall survival: 30.53 vs 22.1 vs 5.9 months).