a trend toward significanceP =0.098
Subgroup Analyses Post hoc analysis of the hypertensive subgroups (CHT, UHT–, and UHT+) revealed a trend toward significance of higher K i in UHT+ compared with patients with CHT for the GM regions (cortex, P =0.098; total GM, P =0.088; deep GM, P =0.058) but not for WM.