Description of study sample.
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* All variables except ApoE genotype: Number of missing values: 0–22; ApoE genotype: Number of missing values: 117.#χ2 test or Linear Trend test for group comparison.1subjective memory impairment,2Mini-Mental-Status-Examination,3Geriatric Depression Scale,4Instrumental Activities of Daily Living Scale,5according to the Comparative Analysis of Social Mobility in Industrial Nations (CASMIN) classification system.
创建时间：
2015-12-02
