marginally significantp = 0.0328
However, there were marginally significant differences between stage I-II and IV (OS; p = 0.0328, PFS; p = 0.0273) (Figure 3 ) and between aa-IPI 1-3 and 4 (OS; p = 0.004, PFS; p = 0.0238) (Figure 4 ), These survival differences were not significant in multivariate analysis (data not shown).