Fig. 3

ROC curves for handgrip strength in the identification of AD (a. in the female above 70 yrs subgroup; b. in the female under 70 yrs subgroup; c. in the male above 70 yrs subgroup; d. in the male under 70 yrs subgroup) and MCI (e. in the female above 70 yrs subgroup; f. in the female under 70 yrs subgroup; g. in the male above 70 yrs subgroup; h. in the male under 70 yrs subgroup). Abbreviation: AD, Alzheimer's disease; MCI, mild cognitive impairment; ROC, receiver operating characteristic curve