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Additionally, the MDS-UPDRS parts II and III, Hoehn and Yahr (H&amp;Y) stage, and number of falls over 1\u00a0month were evaluated. Spearman\u2019s correlation coefficients (rho) were used to determine construct validity, and Cronbach\u2019s alpha (\u03b1) was used to examine reliability.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>The interquartile range of the NFOG-Q scores was 10.0\u201325.3 (range 0\u201329).\u00a0The NFOG-Q scores were strongly correlated with the MDS-UPDRS part II, items 2.12 (walking and balance), 2.13 (freezing), 3.11 (freezing of gait), and 3.12 (postural stability) and the postural instability and gait difficulty score (rho\u2009=\u20090.515\u20130.669), but only moderately related to the MDS-UPDRS item 3.10 (gait), number of falls, disease duration, H&amp;Y stage, and time of the Timed Up-and-Go test (rho\u2009=\u20090.319\u20130.434). No significant correlations were observed between age and the time of the 10-m walk test. The internal consistency was excellent (\u03b1\u2009=\u20090.96).<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusions<\/jats:title>\n                <jats:p>The Japanese version of the NFOG-Q is a valid and reliable tool for assessing the severity of freezing in patients with PD.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1007\/s10072-024-07405-y","type":"journal-article","created":{"date-parts":[[2024,2,22]],"date-time":"2024-02-22T02:02:41Z","timestamp":1708567361000},"page":"3147-3152","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["The validation of a Japanese version of the New Freezing of Gait Questionnaire (NFOG-Q)"],"prefix":"10.1007","volume":"45","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5297-7716","authenticated-orcid":false,"given":"Seira","family":"Taniguchi","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kohei","family":"Marumoto","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuta","family":"Kajiyama","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gajanan","family":"Revankar","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michiko","family":"Inoue","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hiroshi","family":"Yamamoto","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rika","family":"Kayano","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eiji","family":"Mizuta","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ryuichi","family":"Takahashi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Emi","family":"Shirahata","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chizu","family":"Saeki","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tatsuhiko","family":"Ozono","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yasuyoshi","family":"Kimura","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kensuke","family":"Ikenaka","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hideki","family":"Mochizuki","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2024,2,22]]},"reference":[{"key":"7405_CR1","doi-asserted-by":"publisher","first-page":"53","DOI":"10.1007\/s007020170096","volume":"108","author":"N Giladi","year":"2001","unstructured":"Giladi N, Treves TA, Simon ES, Shabtai H, Orlov Y, Kandinov B, Paleacu D, Korczyn AD (2001) Freezing of gait in patients with advanced parkinson\u2019s disease. 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