By excluding the advanced patients from analysis , there were significant differences in Unified Parkinson 's Disease Rating Scale V@ ( P = @ ) and V@ ( P = @ ) , Hamilton Depression Rating Scale V@ ( P = @ ) and V@ ( P = @ ) , Neuropsychiatry Inventory V@ ( P = @ ) and V@ ( P < @ ) and Behavior Pathology in Alzheimer 's Disease Rating Scale V@ ( P = @ ) in favor of sarcosine .