In the AD group ,the score of MMSE was negatively correlated with ADL,POD,it was positively correlated with FOM, RVR,while it was not significantly correlated with BD, DS.

• AD组患者MMSE评分与ADL、POD评分呈负相关，MMSE评分与FOM、RVR评分呈正相关，MMSE与BD、DS评分无显著相关性。