ArticleClinical epidemiology2020
The Positive Predictive Value of Hip Fracture Diagnoses and Surgical Procedure Codes in the Danish Multidisciplinary Hip Fracture Registry and the Danish National Patient Registry.
Article in Clinical epidemiology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 42 papers, 1 of them a synthesis that pooled it.
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Who cites it
42 citing papers in PubMed, 1 synthesis or guideline pooled it, 57 citations in OpenAlex.
- Differences in hip fracture care in Europe: a systematic review of recent annual reports of hip fracture registries.European journal of trauma and emergency surgery : official publication of the European Trauma Society · 2022Pooled it
- Interaction between mental health conditions and hip fracture on the 30-day risk of infection among older adults: a Danish matched cohort study.European geriatric medicine · 2026Article
- Emergency Department Encounters Preceding Hip Fracture in Older Adults: A Window for Future Risk Identification.Journal of the American College of Emergency Physicians open · 2026Article
- Nordic hip fracture registries: comparisons toward a minimal common and standardized Nordic Hip Fracture Dataset (Nordic-HFD).Acta orthopaedica · 2026Article
- Functional Occlusal Support, Denture-Related Status and Hip Fracture Risk in Older Adults: A Large Claims-Based Cohort Study.Journal of oral rehabilitation · 2026Article
- Effects of Opioids, Benzodiazepines, Gabapentinoids, and Antidepressants on Fracture Risk in Alcohol-Related Cirrhosis.Liver international : official journal of the International Association for the Study of the Liver · 2026Article
- Mental disorders and osteoporosis treatment in patients with hip fracture-a Danish population-based cohort study.Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2026Article
- Postoperative mobility is associated with risk of reoperation and increased mortality after hip fracture: a nationwide cohort study of 33,486 patients.Acta orthopaedica · 2026Article
- Fracture trends in Denmark from 1997 to 2021.Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2026Article
- Individual and combined effects of somatic and mental disorders on reoperation risk after hip fracture surgery: a nationwide danish cohort study of 110,625 patients.European geriatric medicine · 2026Article
- Changing trends in the management of pediatric distal forearm fractures: a descriptive Danish 20-year nationwide registry study of 175,083 cases.Acta orthopaedica · 2026Article
- Temporal trends in socioeconomic inequalities and risk of infection after hip fracture surgery: a nationwide cohort study, 2010-2021.Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2025Article
- Validation of the Aarhus periacetabular osteotomy database.Archives of orthopaedic and trauma surgery · 2025Article
- Socioeconomic Position and Chronic Opioid Use After Hip Fracture Surgery: A Danish Population-Based Cohort Study.European journal of pain (London, England) · 2025Article
- Epidemiology and Treatment of Olecranon Fractures: a nationwide register-based analysis of 27,880 cases in Denmark from 1999 to 2018.Journal of orthopaedic surgery and research · 2025Article
- Osteoporotic fracture risks of thiazides and dihydropyridines in angiotensin modulator users.Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2025Article
- The Association Between Socioeconomic Position and Infection Risk After Hip Fracture Surgery: A Nationwide Cohort Study of 54,853 Patients.Clinical epidemiology · 2025Article
- Interaction Between Multimorbidity and Hip Fracture Surgery Leads to Excess Risk of Infection: A Danish Registry-Based Cohort Study of 92,599 Patients With Hip Fracture.Clinical epidemiology · 2025Article
- Bisphosphonate Use and Risk of Atypical Femoral Fractures: A Danish Case-Cohort Study With Blinded Radiographic Review.The Journal of clinical endocrinology and metabolism · 2024Article
- Major comorbid diseases as predictors of infection in the first month after hip fracture surgery: a population-based cohort study in 92,239 patients.European geriatric medicine · 2024Article
Corrections and comments
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
aimThe health-care databases may be a valuable source for epidemiological research in hip fracture surgery, if the diagnoses are valid. We examined the validity of hip fracture diagnoses and surgical procedure codes in the Danish Multidisciplinary Hip Fracture Registry (DMHFR) and the Danish National Patient Registry (DNPR) by calculating the positive predictive value (PPV).
methodsWe identified a random sample of 750 hip fracture patients registered in the DMHFR between 2014 and 2017. Diagnoses have been coded by the 10
resultsThe PPV was 90% (95% CI: 86%-93%) for fracture of the neck of femur, 92% (95% CI: 87%-95%) for trochanteric fracture, and 83% (95% CI: 78%-88%) for subtrochanteric fracture. Joining trochanteric and subtrochanteric fracture resulted in a PPV of 97% (95% CI: 95%-98%). Procedure codes had a PPV of 100% for primary prosthetic replacement and internal fixation with intramedullary nail, 96% (95% CI: 85%-99%) for internal fixation using screws alone, 91% (95% CI: 84%-96%) for internal fixation using plates and screws, and 89% (95% CI: 83%-94%) for internal fixation with other or combined methods. Stratifying by age group, gender, hospital type and calendar year of surgery showed similar results as the overall PPV estimates.
conclusionOur findings indicate a high quality of the hip fracture diagnoses and corresponding procedure codes in the DMHFR and the DNPR, with a majority of PPVs above 90%. Thus, the DMHFR and the DNPR are a valuable data source on hip fracture for epidemiological research.
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