highly significantP < 0.001
The Weshler's Memory Scale total score in memantine group improved significantly after 8 weeks ( P = 0.002) compared with baseline ( P = 0.873) and highly significant at the end of 16 th week ( P < 0.001).
The Weshler's Memory Scale total score in memantine group improved significantly after 8 weeks ( P = 0.002) compared with baseline ( P = 0.873) and highly significant at the end of 16 th week ( P < 0.001).