title: Evolution of the hip fracture population: time to consider the future? A retrospective observational analysis.
abstract: OBJECTIVE
  To examine how the population with fractured neck of femur has changed over the last decade and determine whether they have evolved to become a more physically and socially dependent cohort.
  
  
  METHODS
  Retrospective cohort study of prospectively collected Standardised Audit of Hip Fractures of Europe data entered on to an institutional hip fracture registry.
  
  
  METHODS
  10 044 consecutive hip fracture admissions (2000-2012).
  
  
  METHODS
  A major trauma centre in the UK.
  
  
  RESULTS
  There was a generalised increase in the number of admissions between 2000 (n=740) and 2012 (n=810). This increase was non-linear and best described by a quadratic curve. Assuming no change in the prevalence of hip fracture over the next 20 years, our hospital is projected to treat 871 cases in 2020 and 925 in 2030. This represents an approximate year-on-year increase of just over 1%. There was an increase in the proportion of male admissions over the study period (2000: 174 of 740 admissions (23.5%); 2012: 249 of 810 admissions (30.7%)). This mirrored national census changes within the geographical area during the same period. During the study period there were significant increases in the numbers of patients admitted from their own home, the proportion of patients requiring assistance to mobilise, and the proportion of patients requiring help with basic activities of daily living (all p<0.001). There was also a twofold to fourfold increase in the proportion of patients admitted with a diagnosis of cardiovascular disease, renal disease, diabetes and polypharmacy (use of >4 prescribed medications; all p<0.001).
  
  
  CONCLUSIONS
  The expanding hip fracture population has increasingly complex medical, social and rehabilitation care needs. This needs to be recognised so that appropriate healthcare strategies and service planning can be implemented. This epidemiological analysis allows projections of future service need in terms of patient numbers and dependency.
authors.affiliation: Department of Trauma and Orthopaedics, Queens Medical Centre, Nottingham University Hospitals, Nottingham, UK.
authors.forename: Paul N
authors.initials: PN
authors.lastname: Baker
authors.forename: Omer
authors.initials: O
authors.lastname: Salar
authors.forename: Benjamin J
authors.initials: BJ
authors.lastname: Ollivere
authors.forename: Daren P
authors.initials: DP
authors.lastname: Forward
authors.forename: Namal
authors.initials: N
authors.lastname: Weerasuriya
authors.forename: Iain K
authors.initials: IK
authors.lastname: Moppett
authors.forename: Chris G
authors.initials: CG
authors.lastname: Moran
mesh_terms: D000203:Activities of Daily Living; D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D015897:Comorbidity; D005260:Female; D005265:Femoral Neck Fractures / Q000453:epidemiology* / Q000534:rehabilitation; D005544:Forecasting; D006801:Humans; D008297:Male; D008875:Middle Aged; D015995:Prevalence; D020127:Recovery of Function; D012042:Registries; D012189:Retrospective Studies; D012737:Sex Factors; D014193:Trauma Centers / Q000706:statistics & numerical data; D006113:United Kingdom / Q000453:epidemiology; D055815:Young Adult
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