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This study aimed to examine the effectiveness of the noise pareidolia test (NPT) as a tool for predicting the onset of post\u2010hospitalization delirium in older adults.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Hospitalized patients who were cared for by a multidisciplinary geriatric care team owing to behavioral symptoms, difficulties in communication, and a history of dementia or delirium were analyzed. The NPT was performed on patients who could complete a Mini\u2010Mental State Examination within 3\u2009days of admission. Demographic and clinical data were recorded on the same day as the NPT or within 3\u2009days of admission. Delirium was assessed using the observation\u2010based Delirium Screening Tool (DST).<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Of 96 patients, 59 were in the DST\u2010negative group and 37 in the DST\u2010positive group. Benzodiazepine agonist use, serum potassium levels, and the number of images in which pareidolia was noted (i.e., the NPT score) significantly differed between groups. Logistic regression analysis identified benzodiazepine agonist use (odds ratio, 2.897; <jats:italic>P<\/jats:italic>\u00a0=\u00a00.032), serum potassium levels (odds ratio, 0.427; <jats:italic>P<\/jats:italic>\u00a0=\u00a00.041) and NPT scores (odds ratio, 1.253; <jats:italic>P<\/jats:italic>\u00a0=\u00a00.017) as significant predictors of DST results. The receiver operating characteristic curve analysis showed an NPT score of 1 as the appropriate cutoff value.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>A positive NPT score was identified as an independent predictor of delirium in older patients admitted to an acute care hospital with cognitive dysfunction. <jats:bold>Geriatr Gerontol Int 2022; 22: 883\u2013888<\/jats:bold>.<\/jats:p><\/jats:sec>","DOI":"10.1111\/ggi.14477","type":"journal-article","created":{"date-parts":[[2022,9,8]],"date-time":"2022-09-08T02:58:15Z","timestamp":1662605895000},"page":"883-888","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Noise pareidolia test for predicting delirium in hospitalized older patients with cognitive decline"],"prefix":"10.1111","volume":"22","author":[{"given":"Yutaka","family":"Hashimoto","sequence":"first","affiliation":[{"name":"Department of Rehabilitation Medicine Toho University Graduate School of Medicine  Tokyo Japan"},{"name":"Department of Geriatric Nursing Toho University Faculty of Nursing  Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3748-3694","authenticated-orcid":false,"given":"Osamu","family":"Kano","sequence":"additional","affiliation":[{"name":"Department of Neurology Toho University Faculty of Medicine  Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3574-649X","authenticated-orcid":false,"given":"Satoru","family":"Ebihara","sequence":"additional","affiliation":[{"name":"Department of Rehabilitation Medicine Toho University Graduate School of Medicine  Tokyo Japan"},{"name":"Department of Internal Medicine and Rehabilitation Science Tohoku University Graduate School of Medicine  Sendai Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2022,9,7]]},"reference":[{"key":"e_1_2_9_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(13)60688-1"},{"key":"e_1_2_9_3_1","doi-asserted-by":"publisher","DOI":"10.1001\/jama.2010.1013"},{"key":"e_1_2_9_4_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1532-5415.2006.00893.x"},{"key":"e_1_2_9_5_1","doi-asserted-by":"publisher","DOI":"10.7326\/AITC202010060"},{"key":"e_1_2_9_6_1","doi-asserted-by":"publisher","DOI":"10.1017\/S1478951510000672"},{"key":"e_1_2_9_7_1","doi-asserted-by":"publisher","DOI":"10.1093\/brain\/aws126"},{"key":"e_1_2_9_8_1","doi-asserted-by":"publisher","DOI":"10.1136\/jnnp-2013-306389"},{"key":"e_1_2_9_9_1","doi-asserted-by":"publisher","DOI":"10.1177\/000313481908500404"},{"key":"e_1_2_9_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.neuropsychologia.2014.01.017"},{"key":"e_1_2_9_11_1","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0154713"},{"key":"e_1_2_9_12_1","first-page":"91","article-title":"The validity and reliability of the Japanese version of the mini\u2010mental state examination (MMSE\u2010J) with the original procedure of the attention and calculation task (2001)","volume":"20","author":"Sugishita M","year":"2018","journal-title":"J Cogn Neurosci"},{"key":"e_1_2_9_13_1","doi-asserted-by":"publisher","DOI":"10.1093\/ajcn\/82.4.777"},{"key":"e_1_2_9_14_1","first-page":"150","article-title":"Development of delirium screening tool","volume":"15","author":"Machida I","year":"2003","journal-title":"Jpn J Gen Hosp Psychiatry"},{"key":"e_1_2_9_15_1","doi-asserted-by":"publisher","DOI":"10.1016\/0165-1781(88)90037-6"},{"key":"e_1_2_9_16_1","doi-asserted-by":"publisher","DOI":"10.1046\/j.1525-1497.1998.00047.x"},{"key":"e_1_2_9_17_1","doi-asserted-by":"publisher","DOI":"10.4103\/0971-5916.174546"},{"key":"e_1_2_9_18_1","doi-asserted-by":"publisher","DOI":"10.5664\/jcsm.7172"},{"key":"e_1_2_9_19_1","doi-asserted-by":"publisher","DOI":"10.1007\/s11920-016-0727-9"},{"key":"e_1_2_9_20_1","doi-asserted-by":"publisher","DOI":"10.1111\/jgs.15767"},{"key":"e_1_2_9_21_1","doi-asserted-by":"publisher","DOI":"10.1001\/jama.1987.03400130103041"},{"key":"e_1_2_9_22_1","doi-asserted-by":"publisher","DOI":"10.1111\/jgs.12164"},{"key":"e_1_2_9_23_1","doi-asserted-by":"publisher","DOI":"10.1093\/ageing\/afy096"},{"key":"e_1_2_9_24_1","doi-asserted-by":"publisher","DOI":"10.1177\/0300060520961212"},{"key":"e_1_2_9_25_1","doi-asserted-by":"publisher","DOI":"10.1186\/s12891-021-04626-6"},{"key":"e_1_2_9_26_1","doi-asserted-by":"publisher","DOI":"10.5535\/arm.2016.40.6.1082"},{"key":"e_1_2_9_27_1","doi-asserted-by":"publisher","DOI":"10.1186\/s12888-016-1130-0"},{"key":"e_1_2_9_28_1","doi-asserted-by":"publisher","DOI":"10.1186\/s12199-020-00903-3"},{"key":"e_1_2_9_29_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jamda.2016.07.014"},{"key":"e_1_2_9_30_1","doi-asserted-by":"publisher","DOI":"10.1007\/s12149-022-01717-9"}],"container-title":["Geriatrics &amp; 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