{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,4]],"date-time":"2026-02-04T16:55:56Z","timestamp":1770224156254,"version":"3.49.0"},"reference-count":21,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2020,11,1]],"date-time":"2020-11-01T00:00:00Z","timestamp":1604188800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Int J of Rheum Dis"],"published-print":{"date-parts":[[2021,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Aim<\/jats:title><jats:p>Development of a Bangla version of the Bath Ankylosing Spondylitis Disease Activity Index (BASDAI) and the Bath Ankylosing Spondylitis Functional Index (BASFI).<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>This biphasic observational study performed the translation and adaptation of the questionnaires carried out in 5 steps with pre\u2010testing in 30 AS patients followed by the psychometric validation of the pre\u2010final Bangla version utilizing content and construct validity in 115 AS patients. The reliability was examined through internal consistency and test\u2013retest reliability involving 23 AS patients.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>After pre\u2010testing of the pre\u2010final Bangla version of both indices, the psychometric validation found that the convergent validity of Bangla version of BASDAI showed strong correlation with C\u2010reactive protein (<jats:italic>r<\/jats:italic>\u00a0=\u00a0.75) and the Maastricht Ankylosing Spondylitis Enthesitis (<jats:italic>r<\/jats:italic>\u00a0=\u00a0.64), and moderate correlation with erythrocyte sedimentation rate (<jats:italic>r<\/jats:italic>\u00a0=\u00a0.49). Again, the Bangla BASFI showed significant correlation with occiput\u2010to\u2010wall distance (OWD) (<jats:italic>r<\/jats:italic>\u00a0=\u00a0.50), mentum\u2010to\u2010sternum distance (MSD) (<jats:italic>r<\/jats:italic>\u00a0=\u00a0.50), chest expansion (CE) (<jats:italic>r<\/jats:italic>\u00a0=\u00a0\u2212.40), finger\u2010to\u2010floor (FFD) (<jats:italic>r<\/jats:italic>\u00a0=\u00a0.55), number of swollen joints (<jats:italic>r<\/jats:italic>\u00a0=\u00a0.69), and number of enthesitis (<jats:italic>r<\/jats:italic>\u00a0=\u00a0.68). The divergent validity demonstrated weak correlations between BASDAI and OWD (<jats:italic>r<\/jats:italic>\u00a0=\u00a0.43), MSD (<jats:italic>r<\/jats:italic>\u00a0=\u00a0.34), CE (<jats:italic>r<\/jats:italic>\u00a0=\u00a0\u2212.44), FFD (<jats:italic>r<\/jats:italic>\u00a0=\u00a0.47). The divergent validity of BASFI could not be assessed due to lack of a suitable comparing parameter. The instruments revealed acceptable internal consistency as Cronbach's alpha was 0.86 for BASDAI and 0.93 for BASFI. A 7\u2010day test\u2013retest reliability measured by the intraclass correlation coefficient were 0.80 (CI at 95% = 0.58\u20100.90) for BASDAI and 0.83 (CI at 95% = 95% 0.64\u20100.92) for BASFI respectively.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Bangla version of BASDAI and BASFI may be useful in disease activity and functional ability assessment in AS patients.<\/jats:p><\/jats:sec>","DOI":"10.1111\/1756-185x.14008","type":"journal-article","created":{"date-parts":[[2020,11,2]],"date-time":"2020-11-02T04:39:20Z","timestamp":1604291960000},"page":"74-80","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Development of a Bangla version of the Bath Ankylosing Spondylitis Disease Activity Index (BASDAI) and the Bath Ankylosing Spondylitis Functional Index (BASFI)"],"prefix":"10.1111","volume":"24","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4414-823X","authenticated-orcid":false,"given":"Syed Jamil","family":"Abdal","sequence":"first","affiliation":[{"name":"Green Life Center for Rheumatic Care &amp; Research Dhaka Bangladesh"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7403-6845","authenticated-orcid":false,"given":"Sabrina","family":"Yesmin","sequence":"additional","affiliation":[{"name":"Department of Medicine Dr. Sirajul Islam Medical College Dhaka Bangladesh"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8535-4259","authenticated-orcid":false,"given":"Md. Nahiduzzamane","family":"Shazzad","sequence":"additional","affiliation":[{"name":"Department of Rheumatology Bangabandhu Sheikh Mujib Medical University Dhaka Bangladesh"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mohammad Abul Kalam","family":"Azad","sequence":"additional","affiliation":[{"name":"Department of Rheumatology Bangabandhu Sheikh Mujib Medical University Dhaka Bangladesh"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Md. Abu","family":"Shahin","sequence":"additional","affiliation":[{"name":"Department of Rheumatology Bangabandhu Sheikh Mujib Medical University Dhaka Bangladesh"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Minhaj Rahim","family":"Choudhury","sequence":"additional","affiliation":[{"name":"Department of Rheumatology Bangabandhu Sheikh Mujib Medical University Dhaka Bangladesh"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Md. 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