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Objective To assess the clinical application of Loewenstein Occupational Therapy Cognitive Assessment(LOTCA) in evaluating the impairment of cognition in elderly patients with type 2 diabetes(DM2).Methods Community based 58 elderly patients with DM2 in a community in Shanghai(60 years and older,having received education for 9 years or longer) were enrolled and screened by Mini-Mental State Examination(MMSE).According to the MMSE scores,21 subjects were assigned to case group(MMSE score < 24,implying cognition impairment),and 37 to control group(MMSE score ≥ 24,implying normal cognition).Meanwhile,a group of community-based 40 elderly subjects without DM2(60 years or older,having received education for 9 years or longer,and MMSE score ≥ 24) were enrolled as the blank control.Difference among the baseline data(age,sex ratio and incidence of hypertension) among the 3 groups mentioned above was negligible.The cognition function was assessed with the LOTCA,and the scores acquired were then compared among the 3 groups.Results The total LOTCA scores showed significant difference among the 3 groups.Each LOTCA score,except the score of perception subtest(object identification),was lower in case group than in control and blank group.In control group,the scores were lower than in blank group of the subtest of perception(object constancy),visual-motor organization test and the subtests thereof(reproduction of two-dimensional models,colored and plain block design construction,and reproduction of a puzzle),thinking operation test and the subtests thereof(ROC unstructured,pictorial sequence B,and geometrical sequence),and of concentration test.Conclusions Cognitive impairment may occur in the early stage of elderly patients with DM2.In comparison with MMSE scale,LOTCA is superior in measuring the cognitive impairment during the early stage of elderly DM2 patients and stratifying the severity of the impairment. |
