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Author (up) Hoff, M.; Torvik, I.A.; Schei, B. url  doi
  Title Forearm fractures in Central Norway, 1999-2012: incidence, time trends, and seasonal variation Type Journal Article
  Year 2016 Publication Arch Osteoporos Abbreviated Journal Archives of osteoporosis  
  Volume 11 Issue Pages 7  
  Keywords Age Distribution; Aged; Aged, 80 and over; Female; Forearm Injuries/*epidemiology; Fractures, Bone/*epidemiology; Humans; Incidence; Male; Middle Aged; Norway/epidemiology; Registries; Seasons; Sex Distribution; Time Factors  
  Abstract The incidence of forearm fractures for men and women >/=40 years in Central Norway was high during the period 1999-2012. A decline in fractures was observed only among women over 50 years. A seasonal variation with highest incidence in the winter months was found among women. PURPOSE: The aim of this study was to examine the incidence of forearm fractures in Central Norway in men and women 40 years and older from 1999 to 2012 and assess time trends as well as seasonal variations. METHODS: Data is from the fracture registry in Nord-Trondelag, including all forearm fractures in persons >/=40 sustained from 1999 to 2012. Annual incidence of forearm fractures were calculated and tested for trends. Variations in the occurrence of fractures were explored by comparing proportion of fractures by month and seasons. RESULTS: The study population consisted of 4003 subjects (77.1% women). The total number of fractures were 4240. There was an increase in fractures for women with increasing age, steepest, a three-fold increase between age group 40-50 and the age group 50-60. Among men, this pattern was not observed as incidences did not change with increasing age. The age-standardized incidence rate for all fractures among women >/=50 ranged from 82 fractures per 1000 (95% CI 71-94) to 100 (88-114) and among men from 19 (14-27) to 31 (24-39). Restricting the analysis to the first fracture sustained during the observed period, women >/=50 years showed a reduction in fractures of 1.30% per year (95% CI 0.01%: 2.56%,) and 12.18% per 10 years (3.61%: 19.98%). For all women, there was a trend towards a decline of 0.73% per year (-2.29%: 0.85%), although not significant. For men, there was a trend towards an increase in fractures of 1.66% per year (-0.11%: 3.45%). The occurrence of fractures among women varied by season of the year, with higher fracture rates in the winter months. CONCLUSIONS: The incidence rate of forearm fractures in Central Norway was high. However, a small decline in the incidence of the first fracture among women older than 50 years was observed. Fractures were more often sustained during winter months among women.  
  Corporate Author Thesis  
  Publisher Place of Publication Department of Public Health and General Practice, Norwegian University of Science and Technology, PB Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 1862-3514 (Electronic) ISBN Medium  
  Area Expedition Conference  
  Notes Hoff, MariTorvik, Ingrid AskSchei, BeritengResearch Support, Non-U.S. Gov'tEngland2016/01/20 06:00Arch Osteoporos. 2016;11:7. doi: 10.1007/s11657-016-0257-4. Epub 2016 Jan 18. Approved no  
  Call Number HUNT @ maria.stuifbergen @ Hoff2016 Serial 1749  
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