showed a trendP =0.172
OS2 showed a trend of benefit in group A without statistical significance (10.5 months versus 6.5 months, P =0.172), while median OS was 22 months in group A compared with 16 months in group B, P =0.048 (Figure 2 ).
OS2 showed a trend of benefit in group A without statistical significance (10.5 months versus 6.5 months, P =0.172), while median OS was 22 months in group A compared with 16 months in group B, P =0.048 (Figure 2 ).