a trend toward significancep = 0.0586
Grade 3 comparison showed a trend toward significance ( p = 0.0586) ( Figure 1 a).
Grade 3 comparison showed a trend toward significance ( p = 0.0586) ( Figure 1 a).
Grade 3 comparison showed a trend toward significance ( p = 0.0586) ( Figure 1 a).
Similarly, the comparison between G2 and G3 did not reach statistical significance.