Table 4.

Pearson's and Spearman's correlation coefficients relating cumulative HAE counts exceeding the indicated minimum linear acceleration threshold (20–70 g), across all follow-up imaging sessions (i.e., In1, In2, Post; using the end-of-season HAE count for Post), to the signed change mask spatial extents in ROI_WM.

ROI extent	‖$\text{roi}\_\Delta {\text{FA}}_{\text{WM}}^{+}$‖		‖$\text{roi}\_\Delta {\text{FA}}_{\text{WM}}^{-}$‖		‖$\text{roi}\_\Delta {\text{MD}}_{\text{WM}}^{+}$‖		‖$\text{roi}\_\Delta {\text{MD}}_{\text{WM}}^{-}$‖
Included HAEs	Pearson	Spearman	Pearson	Spearman	Pearson	Spearman	Pearson	Spearman
PLA > 20 g	0.096	0.087	0.231⁎	0.171	0.170	0.158	0.089	0.003
PLA > 30 g	0.100	0.069	0.201⁎	0.154	0.130	0.138	0.111	−0.015
PLA > 40 g	0.125	0.074	0.164	0.142	0.096	0.130	0.143	−0.013
PLA > 50 g	0.122	0.058	0.122	0.109	0.057	0.091	0.127	−0.021
PLA > 60 g	0.130	0.082	0.085	0.064	0.026	0.040	0.121	0.012
PLA > 70 g	0.131	0.103	0.102	0.113	0.033	0.076	0.113	0.018

^⁎Correlation significant at the p_Bonferroni < 0.05 level.