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ArticleOsteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA2017

Validation of FRAX and the impact of self-reported falls among elderly in a general population: the HUNT study, Norway.

M Hoff, H E Meyer, S Skurtveit, A Langhammer, A J Søgaard, U Syversen, A Dhainaut, E Skovlund, B Abrahamsen, B Schei

Abstract readValidation Study
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In one paragraph

Article in Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers, 6 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
25citing papers in PubMed, 6 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

25 citing papers in PubMed, 6 syntheses or guidelines pooled it.

  1. Guideline
  2. A meta-analysis of previous falls and subsequent fracture risk in cohort studies.Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2024
    Pooled it
  3. Pooled it
  4. Pooled it
  5. Update of the fracture risk prediction tool FRAX: a systematic review of potential cohorts and analysis plan.Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2022
    Pooled it
  6. Performance of predictive tools to identify individuals at risk of non-traumatic fracture: a systematic review, meta-analysis, and meta-regression.Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2019
    Pooled it
  7. Approach to osteoporosis diagnosis and fracture risk management in primary care.Canadian family physician Medecin de famille canadien · 2026
    Review
  8. Article
  9. Article
  10. Article
  11. Race-specific FRAX models are evidence-based and support equitable care: a response to the ASBMR Task Force report on Clinical Algorithms for Fracture Risk.Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2024
    Article
  12. Article
  13. Osteoporosis and cement usage in total hip arthroplasty.European journal of orthopaedic surgery & traumatology : orthopedie traumatologie · 2024
    Article
  14. Review
  15. Post hip fracture orthogeriatric care-a Canadian position paper addressing challenges in care and strategies to meet quality indicators.Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2023
    Review
  16. Article
  17. Article
  18. Does treatment with bisphosphonates protect against fractures in real life? The HUNT study, Norway.Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2021
    Article
  19. Article
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors.

M HoffDepartment of Public Health and Nursing, Faculty of Medicine, NTNU, Norwegian University of Science and Technology, PB 8905, 7491, Trondheim, Norway. mari.hoff@ntnu.no.ORCID 0000-0002-9992-8663
H E MeyerNorwegian Institute of Public Health, Oslo, Norway.
S SkurtveitNorwegian Institute of Public Health, Oslo, Norway.
A LanghammerDepartment of Public Health and Nursing, Faculty of Medicine, NTNU, Norwegian University of Science and Technology, PB 8905, 7491, Trondheim, Norway.
A J SøgaardNorwegian Institute of Public Health, Oslo, Norway.
U SyversenDepartment of Endocrinology, St. Olavs Hospital, Trondheim University Hospital, Trondheim, Norway.
A DhainautDepartment of Public Health and Nursing, Faculty of Medicine, NTNU, Norwegian University of Science and Technology, PB 8905, 7491, Trondheim, Norway.
E SkovlundDepartment of Public Health and Nursing, Faculty of Medicine, NTNU, Norwegian University of Science and Technology, PB 8905, 7491, Trondheim, Norway.
B AbrahamsenDepartment of Medicine, Holbæk Hospital, Holbæk, Denmark.
B ScheiDepartment of Public Health and Nursing, Faculty of Medicine, NTNU, Norwegian University of Science and Technology, PB 8905, 7491, Trondheim, Norway.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Fracture Risk Assessment Tool (FRAX) without bone mineral density (BMD) for hip fracture prediction was validated in a Norwegian population 50-90 years. Fracture risk increased with higher FRAX score, and the observed number of hip fractures agreed well with the predicted number, except for the youngest and oldest men. Self-reported fall was an independent risk factor for fracture in women.

introductionThe primary aim was to validate FRAX without BMD for hip fracture prediction in a Norwegian population of men and women 50-90 years. Secondary, to study whether information of falls could improve prediction of fractures in the subgroup aged 70-90 years.

methodsData were obtained from the third survey of the Nord-Trøndelag Health Study (HUNT3), the fracture registry in Nord-Trøndelag, and the Norwegian Prescription Database (NorPD), including 15,432 women and 13,585 men. FRAX hip without BMD was calculated, and hip fractures were registered for a median follow-up of 5.2 years. The number of estimated and observed fractures was assessed, ROC curves with area under the curve (AUC), and Cox regression analyses. For the group aged 70-90 years, self-reported falls the last year before HUNT3 were included in the Cox regression model.

resultsThe risk of fracture increased with higher FRAX score. When FRAX groups were categorized in a 10-year percentage risk for hip fracture as follows, <4, 4-7.9, 8-11.9, and ≥12%, the hazard ratio (HR) for hip fracture between the lowest and the highest group was 17.80 (95% CI: 12.86-24.65) among women and 23.40 (13.93-39.30) in men. Observed number of hip fractures agreed quite well with the predicted number, except for the youngest and oldest men. AUC was 0.81 (0.78-0.83) for women and 0.79 (0.76-0.83) for men. Self-reported fall was an independent risk factor for fracture in women (HR 1.64, 1.20-2.24), and among men, this was not significant (1.09, 0.65-1.83).

conclusionsFRAX without BMD predicted hip fracture reasonably well. In the age group 70-90 years, falls seemed to imply an additional risk among women.

Indexed as

Accidental FallsAgedAged, 80 and overAge DistributionFemaleFollow-Up StudiesHip FracturesHumansMaleMiddle AgedNorwayOsteoporosisOsteoporotic FracturesRegistriesRisk AssessmentRisk FactorsFracture risk assessmentGeneral population studiesHUNTOsteoporosis

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.