Osteoporosis International

, Volume 25, Issue 4, pp 1267–1274 | Cite as

Changing trends in the epidemiology of hip fracture in Spain

  • R. Azagra
  • F. López-Expósito
  • J. C. Martin-Sánchez
  • A. Aguyé
  • N. Moreno
  • C. Cooper
  • A. Díez-Pérez
  • E. M. Dennison
Original Article

Abstract

Summary

Temporal trends in hip fracture incidence have recently been reported in some developed countries. Such data in Spain has previously been incomplete; this study reports the stratified incidence of hip fractures in people over 65 in Spain during the last 14 years.

Introduction

The main objective is to establish whether temporal trends in hip fracture incidence in Spain exist.

Methods

Ecological study with data from hospital discharges nationwide. The study includes patients aged ≥65 years during a 14-year period (1997–2010). The analysis compares two periods of four years: 1997–2000 (P1) and 2007–2010 (P2).

Results

There were 119,857 fractures in men and 415,421 in women. Comparing periods (P1 vs P2) over 10 years, the crude incidence rate/100,000 inhabitant/year increased an average of 2.3 %/year in men and 1.4 % in women. After adjustment, the rate increased an average of 0.4 %/year in men (p < 0.0001), but decreased 0.2 %/year in women (p < 0.0001). In men, younger than 85, the decrease was not significant except in 70–74 years, and from 80 years, the adjusted rate increases significantly (p < 0.0001). In women under 80 years of age, the decrease in adjusted rate was significant; there was no change in 80–84 years, and the adjusted rate increased significantly in individuals 85 years and older (p < 0.0001). Mortality rates declined by 22 % in both sexes, and the index of overaging population rises 30.1 % in men and 25.2 % in women.

Conclusions

This study supports other international studies by showing changes in the incidence of hip fractures after age-population adjustment, which denotes a decrease in the younger age groups and among women and shows an increase in both groups over 85 years. The increase in the crude incidence rate of hip fracture in Spain reflects changes in population structure.

Keywords

Elderly Epidemiology Hip fracture Osteoporosis 

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Copyright information

© International Osteoporosis Foundation and National Osteoporosis Foundation 2013

Authors and Affiliations

  • R. Azagra
    • 1
    • 2
    • 3
  • F. López-Expósito
    • 1
    • 4
  • J. C. Martin-Sánchez
    • 5
  • A. Aguyé
    • 6
  • N. Moreno
    • 7
  • C. Cooper
    • 8
    • 9
  • A. Díez-Pérez
    • 1
    • 10
    • 11
  • E. M. Dennison
    • 8
    • 12
  1. 1.Department of MedicineUniversitat Autònoma de BarcelonaBarcelonaSpain
  2. 2.Health Center Badia del Valles (ICS)GROIMAP-USR MN-IDIAP Jordi GolBarcelonaSpain
  3. 3.Idc-Hospital General de CatalunyaUniversitat Internacional de CatalunyaBarcelonaSpain
  4. 4.Health Center Bon Pastor (ICS)BarcelonaSpain
  5. 5.Biostatistics Unit, Departament of Basic SciencesUniversitat Internacional de CatalunyaBarcelonaSpain
  6. 6.Health Center Granollers Centre (ICS)GranollersSpain
  7. 7.Secretaria Tècnica, DAP Gerència Territorial Metropolitana NordInstitut Català de la Salut (ICS)SabadellSpain
  8. 8.MRC Lifecourse Epidemiology UnitUniversity of Southampton, Southampton General HospitalSouthamptonUK
  9. 9.Botnar Research Centre, Institute of Musculoskeletal SciencesUniversity of OxfordOxfordUK
  10. 10.Department of Internal MedicineURFOA, IMIM, Parc de Salut MarBarcelonaSpain
  11. 11.Red Temática de Envejecimiento y Fragilidad RETICEFInstituto de Salud Carlos III-FEDERMadridSpain
  12. 12.Victoria UniversityWellingtonNew Zealand

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