Fig. 2: Significant associations between sleep changes and MMSE score in patients with Alzheimer’s disease.
From: Sleep in Alzheimer’s disease: a systematic review and meta-analysis of polysomnographic findings

A Associations of the changes in slow wave sleep (coefficient = 0.273; p = 0.004) with MMSE score in patients with Alzheimer’s disease in studies using R&K criteria; B Associations of the changes in rapid eye movement sleep (coefficient = 0.453; p < 0.001) with MMSE score in patients with Alzheimer’s disease in studies using R&K criteria. MMSE mini-mental state examination.