highly significantP < 0.000
In the NP, T2 ∗ values tended to decrease with increasing grades, and T2 ∗ values were significantly different when comparing grades I to V, with highly significant differences between each grade ( P < 0.000; Table 4 ).
In the NP, T2 ∗ values tended to decrease with increasing grades, and T2 ∗ values were significantly different when comparing grades I to V, with highly significant differences between each grade ( P < 0.000; Table 4 ).