关键词: 老年人；认知障碍；风险预测模型；综述

Abstract: The elderly are at risk of cognitive impairment, and early control of risk factors and rational use of protective factors can effectively prevent or delay the deterioration of cognitive function. This paper reviews the research progress on risk prediction models for cognitive impairment in the elderly, and summarizes, analyzes and compares related studies from the aspects of model construction methods, basic information and prediction performance, so as to provide reference for the construction and application of risk prediction models for cognitive impairment in the elderly.

Key words: the elderly; cognitive impairment; risk prediction model; review