highly significantp < 0.001
The log-rank test revealed a highly significant difference between the survival curves ( χ 2 = 28.57, df = 2; p < 0.001) (Fig. 3 ).
The log-rank test revealed a highly significant difference between the survival curves ( χ 2 = 28.57, df = 2; p < 0.001) (Fig. 3 ).