Norms and equivalences for MoCA-30, MoCA-22, and MMSE in the oldest-old.
Norms and equivalences for MoCA-30, MoCA-22, and MMSE in the oldest-old.
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DOI:
10.1007/s40520-021-01886-z
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发表时间:
2021-12
影响因子:
4
通讯作者:
Corrada MM
中科院分区:
文献类型:
--
作者:
Melikyan ZA;Malek-Ahmadi M;O'Connor K;Atri A;Kawas CH;Corrada MM
Cognitive screening is important for the oldest-old (age 90 +). This age group is the fastest growing and has the highest risk of dementia. However, norms and score equivalence for screening tests are lacking for this group. To provide norms and score equivalence for commonly used cognitive screening tests for the oldest-old. Data on 157 participants of the Center for Healthy Aging Longevity Study aged 90 + were analyzed. First, we derived norms for (1) subtests and cognitive domains of the in-person Montreal Cognitive Assessment having a maximum score of 30 (MoCA-30) and (2) the total MoCA-22 score, obtained from the in-person MoCA-30 by summing the subtests that do not require visual input to a maximum score of 22. These norms were derived from 124 participants with a Mini-Mental State Examination (MMSE) ≥ 27. Second, we derived score equivalences for MMSE to MoCA-30 and MoCA-22, and MoCA-30 to MoCA-22 using equipercentile equating method with log-linear smoothing, based on all 157 participants. MoCA-22 total score norms are: mean = 18.3(standard deviation = 2.2). An MMSE score of 27 is equivalent to a MoCA-30 score of 22 and a MoCA-22 score of 16. Subtest, domain and MoCA-22 norms will aid in evaluation of the oldest-old who cannot complete the MoCA-30 or are tested over the phone. The equivalences of the three cognitive tests (MMSE, MoCA-30, MoCA-22) in the oldest-old will facilitate continuity of cognitive tracking of individuals tested with different tests over time and comparison of the studies that use different cognitive tests. The online version contains supplementary material available at 10.1007/s40520-021-01886-z.
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DOI:
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影响因子:
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