title: Incidence and risk factors of subsequent hip fractures in Korea: multicenter study.
abstract: This study analyzes the incidence of subsequent hip fractures and its risk factors in the northwestern region of Korea. We analyzed hip fracture patients who visited any of the 5 teaching hospitals in the Bucheon and Incheon area from January 2000 to December 2010. Medical records were reviewed and presence of subsequent hip fractures, alcohol history, marital status, live in solitude, dementia, dizziness, American society of anesthesiologists score, osteoporosis treatment after fracture, body mass index (BMI) and initial bone mineral density were analyzed. The average follow-up period was 12 months (range 1-130 months). A total of 2,546 patients (women 1,770, men 776) who had experienced hip fractures were included. Of these, subsequent hip fractures were found in 233 patients (9.2%) (women 187, men 46). Mean age at the time of the first fracture was 79.2 yr old (range 50-100 yr). The average interval between the first fracture and the subsequent hip fractures was 30.2 months (range 4 days-154 months). In this large-scale, retrospective, multicenter study, overall incidence of subsequent hip fractures is 9.2%. Independent risk factors of subsequent fracture are women, BMI<22 kg/m(2), and being unmarried.
authors.affiliation: Department of Orthopedic Surgery, Bucheon St. Mary's Hospital, The Catholic University of Korea, Bucheon, Korea.
authors.forename: Kee Haeng
authors.identifier: 0000-0002-2137-2992
authors.initials: KH
authors.lastname: Lee
authors.affiliation: Department of Orthopedic Surgery, Incheon St. Mary's Hospital, The Catholic University of Korea, Incheon, Korea.
authors.forename: Ju Young
authors.identifier: 0000-0003-0182-8523
authors.initials: JY
authors.lastname: Kim
authors.affiliation: Department of Orthopedic Surgery, Soonchunhyang University Bucheon Hospital, Bucheon, Korea.
authors.forename: Soo Jae
authors.identifier: 0000-0003-2107-7384
authors.initials: SJ
authors.lastname: Yim
authors.affiliation: Department of Orthopedic Surgery, Gil Medical Center, College of Medicine, Gachon University, Incheon, Korea.
authors.forename: Do Hyun
authors.identifier: 0000-0003-4806-6650
authors.initials: DH
authors.lastname: Moon
authors.affiliation: Department of Orthopaedic Surgery, College of Medicine, Inha University, Incheon, Korea.
authors.forename: Geun Hong
authors.identifier: 0000-0003-3776-1877
authors.initials: GH
authors.lastname: Choi
authors.affiliation: Department of Orthopaedic Surgery, College of Medicine, Inha University, Incheon, Korea.
authors.forename: Kyoung Ho
authors.identifier: 0000-0002-9186-0473
authors.initials: KH
authors.lastname: Moon
mesh_terms: D000367:Age Factors; D000368:Aged; D000369:Aged, 80 and over; D000428:Alcohol Drinking; D015992:Body Mass Index; D015519:Bone Density; D005260:Female; D006620:Hip Fractures / Q000150:complications / Q000453:epidemiology*; D006785:Hospitals, University; D006801:Humans; D015994:Incidence; D008297:Male; D008875:Middle Aged; D010024:Osteoporosis / Q000150:complications / Q000175:diagnosis; D056910:Republic of Korea; D012189:Retrospective Studies; D012307:Risk Factors; D012737:Sex Factors
keywords: Incidence; Risk Factors; Subsequent Hip Fractures