{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,31]],"date-time":"2026-01-31T04:15:17Z","timestamp":1769832917085,"version":"3.49.0"},"reference-count":27,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2013,4,2]],"date-time":"2013-04-02T00:00:00Z","timestamp":1364860800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Eur J Clin Investigation"],"published-print":{"date-parts":[[2013,6]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Previous familial segregation studies supported that developmental dysplasia of the hip (DDH) is a multifactorial genetic disease. However, the exact extent of genetic effects has not been fully evaluated, especially in Asian population. The aim of this study is to estimate the sibling recurrent risk and heritability of DDH in a large Chinese cohort.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and methods<\/jats:title><jats:p>Four hundred and twenty\u2010nine DDH probands and 534 matched normal controls were recruited from a screening programme for DDH, including 628 siblings in families of probands and 889 siblings in those of controls, respectively. The detailed information of family history was obtained, and the prevalence of DDH among siblings of probands, as well as controls, was determined. The sibling recurrent risk and heritability was estimated using classical liability threshold model.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Eighty\u2010seven siblings (13\u00b785%) in families of proband and 14 siblings (1\u00b757%) in normal control families were diagnosed as DDH. The recurrent risk in siblings of probands was at least tenfolds that in siblings of controls. Compared with the normal controls, the sibling recurrent risk was about 12\u2010fold increase in male sib, and 9\u2010fold increase in female sib. Overall, a high heritability of 83\u00b759\u00a0\u00b1\u00a04\u00b790% (<jats:italic>h<\/jats:italic><jats:sup>2<\/jats:sup>\u00a0\u00b1\u00a0SE) was observed. When stratified by genders, it was even higher for female siblings (91\u00b702\u00a0\u00b1\u00a07\u00b725%).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>This study for the first time exhibits a high sibling recurrent risk and heritability for DDH in Asian population. It also shows there is a high probability to identify the underlying predisposition genes in future genetic study.<\/jats:p><\/jats:sec>","DOI":"10.1111\/eci.12084","type":"journal-article","created":{"date-parts":[[2013,3,15]],"date-time":"2013-03-15T00:16:01Z","timestamp":1363306561000},"page":"589-594","source":"Crossref","is-referenced-by-count":19,"title":["Heritability and sibling recurrent risk of developmental dysplasia of the hip in Chinese population"],"prefix":"10.1111","volume":"43","author":[{"given":"Lianyong","family":"Li","sequence":"first","affiliation":[{"name":"Department of Pediatric Orthopedics Shengjing Hospital of China Medical University Shenyang China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Keming","family":"Sun","sequence":"additional","affiliation":[{"name":"Department of Pediatric Orthopedics Zhengzhou Children's Hospital Zhengzhou Henan 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