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  • Title: Association of cognitive impairment with serum lipid/lipoprotein among Chinese nonagenarians and centenarians.
    Author: Huang CQ, Dong BR, Wu HM, Zhang YL, Wu JH, Lu ZC, Flaherty JH.
    Journal: Dement Geriatr Cogn Disord; 2009; 27(2):111-6. PubMed ID: 19158441.
    Abstract:
    The association of cognitive impairment with abnormal levels of serum lipid/lipoprotein in the elderly, in whom there are differences between the old aged 65-84 years and the oldest old aged 85 years or above, has been confirmed by previous studies. However, there are no relevant data from a Chinese oldest old population. In the present study, we observed an association of cognitive impairment with abnormal levels of serum lipid/lipoprotein among very old people using a Chinese cohort aged 90-108 years. The population included 709 unrelated Chinese nonagenarians and centenarians (67.8% women, mean age 93.8 years). The mean score of cognitive function (measured with the 30-item Mini-Mental State Examination, MMSE) was 14.9 (SD 6.0). Comparing abnormal with normal levels of serum lipid/lipoprotein (including triglycerides, total cholesterol, high-density lipoprotein and low-density lipoprotein), in both genders, the odds ratio of cognitive impairment was statistically insignificant. There were no significant differences in levels of lipid/lipoprotein between subjects with and without cognitive impairment. Pearson correlation showed that MMSE scores were not significantly correlated with levels of lipid/lipoprotein. In summary, we found that levels of serum lipid/lipoprotein were not directly correlated with cognitive impairment among Chinese nonagenarians and centenarians.
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