{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,8]],"date-time":"2026-10-08T06:33:59Z","timestamp":1791441239131,"version":"4.3.3"},"reference-count":17,"publisher":"SAGE Publications","issue":"1","license":[{"start":{"date-parts":[[2006,4,1]],"date-time":"2006-04-01T00:00:00Z","timestamp":1143849600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"},{"start":{"date-parts":[[2006,4,1]],"date-time":"2006-04-01T00:00:00Z","timestamp":1143849600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["J Orthop Surg (Hong Kong)"],"published-print":{"date-parts":[[2006,4]]},"abstract":"<jats:sec>\n                    <jats:title>Purpose.<\/jats:title>\n                    <jats:p>To assess and evaluate the usefulness of 7 morphological measurements of the acetabulum in establishing the prevalence of acetabular dysplasia in the Singaporean population.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods.<\/jats:title>\n                    <jats:p>Standardised plain anteroposterior radiographs of 522 hip joints of 261 asymptomatic patients (mean age, 60 years; range, 16\u201399 years) were evaluated. The 7 morphological measurements were centre-edge angle, acetabular angle, depth-to-width ratio, roof obliquity, extrusion index, lateral subluxation, and peak-to-edge distance.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results.<\/jats:title>\n                    <jats:p>19 (7.3%) patients were acetabular dysplastic (centre-edge angle of &lt;20 degrees). The mean centre-edge angle was 31.2 degrees (range, 5\u201352 degrees), acetabular angle 39.46 degrees (range, 10\u201358 degrees), depth-to-width ratio 0.32, roof obliquity 7.86 degrees, extrusion index 0.18, lateral subluxation 9.9 mm, and the peak-to-edge distance 15.65 mm.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion.<\/jats:title>\n                    <jats:p>Centre-edge angle was the most useful measurement and correlated significantly with acetabular angle, extrusion index, peak-to-edge distance, and roof obliquity. These preliminary results show a relatively higher rate (7.3%) of acetabular dysplasia in the Singaporean population, compared with other similar but larger Asian studies performed in Hong Kong (1.1%) and Korea (1.8%).<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/230949900601400107","type":"journal-article","created":{"date-parts":[[2016,10,4]],"date-time":"2016-10-04T17:14:58Z","timestamp":1475601298000},"page":"27-31","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":36,"title":["Acetabular Morphometry for Determining Hip Dysplasia in the Singaporean Population"],"prefix":"10.1177","volume":"14","author":[{"given":"M","family":"Umer","sequence":"first","affiliation":[{"name":"Department of Surgery, Aga Khan University, Stadium Road, Karachi, Pakistan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"A","family":"Thambyah","sequence":"additional","affiliation":[{"name":"Department of Orthopedics, National University Hospital, 5 Lower Kent Ridge Road, Singapore"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"WTJ","family":"Tan","sequence":"additional","affiliation":[{"name":"Department of Orthopedics, National University Hospital, 5 Lower Kent Ridge Road, Singapore"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"S Das","family":"De","sequence":"additional","affiliation":[{"name":"Department of Orthopedics, National University Hospital, 5 Lower Kent Ridge Road, Singapore"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2006,4,1]]},"reference":[{"key":"bibr1-230949900601400107","first-page":"82","volume-title":"The hip. 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