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Cognitive performance was assessed using three standardized neuropsychological tests. A random assignment placed participants into either a training (n\u2009=\u20091725) or a validation (n\u2009=\u2009739) set. Furthermore, the data from participants in the 2011 wave of the China Health and Retirement Longitudinal Study served as an external validation cohort (n\u2009=\u2009536). LASSO-selected predictors were employed to inform multivariable logistic regression modeling.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Positive linear relationships were found between three anthropometric indices\u2014A Body Shape Index (ABSI), Conicity Index (CoI) and Weight-Adjusted-Waist Index (WWI)\u2014with MCI risk (p\u2009&lt;\u20090.05, p for nonlinearity &gt; 0.05). The nomogram incorporating ABSI demonstrated strong discriminative capacity (training AUC = 0.861; internal validation AUC = 0.826; external validation AUC = 0.798), precise calibration, and good clinical utility.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>The risk of MCI was independently linked to central adiposity indices (ABSI, WWI, and CoI). The nomogram incorporating ABSI provided a validated, clinically applicable prediction model for initial screening of MCI in older populations.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/13872877261424471","type":"journal-article","created":{"date-parts":[[2026,3,12]],"date-time":"2026-03-12T08:44:39Z","timestamp":1773305079000},"page":"1248-1264","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":1,"title":["Association of central adiposity indices with cognitive impairment in elderly populations: Development and validation of a risk prediction nomogram using NHANES and CHARLS cohorts"],"prefix":"10.1177","volume":"110","author":[{"ORCID":"https:\/\/orcid.org\/0009-0001-1380-3836","authenticated-orcid":false,"given":"Jian","family":"Chen","sequence":"first","affiliation":[{"name":"Dongzhimen Hospital, Beijing University of Chinese Medicine"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jinzhi","family":"Guan","sequence":"additional","affiliation":[{"name":"Dongzhimen Hospital, Beijing University of Chinese Medicine"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yaxuan","family":"Zhang","sequence":"additional","affiliation":[{"name":"Dongzhimen Hospital, Beijing University of Chinese Medicine"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shengbing","family":"Xue","sequence":"additional","affiliation":[{"name":"Dongzhimen Hospital, Beijing University of Chinese Medicine"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xuanyu","family":"Lu","sequence":"additional","affiliation":[{"name":"Dongzhimen Hospital, Beijing University of Chinese Medicine"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Leyi","family":"Zhang","sequence":"additional","affiliation":[{"name":"Dongzhimen Hospital, Beijing University of Chinese Medicine"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yanxiang","family":"Liu","sequence":"additional","affiliation":[{"name":"Dongzhimen Hospital, Beijing University of Chinese Medicine"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jianguang","family":"Ji","sequence":"additional","affiliation":[{"name":"University of Macau"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7881-8174","authenticated-orcid":false,"given":"Jingling","family":"Chang","sequence":"additional","affiliation":[{"name":"Dongzhimen Hospital, Beijing University of Chinese Medicine"},{"name":"Xiamen Hospital of Traditional Chinese Medicine"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2026,3,12]]},"reference":[{"key":"e_1_3_3_2_2","doi-asserted-by":"publisher","DOI":"10.1212\/WNL.0000000000201658"},{"key":"e_1_3_3_3_2","article-title":"Worldwide prevalence of mild cognitive impairment among community dwellers aged 50 years and older: a meta-analysis and systematic review of epidemiology studies","volume":"51","author":"Bai W","year":"2022","unstructured":"Bai W, Chen P, Cai H, et al. 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