marginal significancep=0.052
The BED 10 higher than 79.2 Gy 10 was the only statistically significant factor for PFS (p=0.043) on the univariate analysis ( Table 2 ), and showed marginal significance on multivariate Cox regression analysis (≥ 79.2 Gy 10 vs. < 79.2 Gy 10 ; HR, 0.597; 95% CI, 0.354 to 1.005; p=0.052). 4.