Evidence map›Paper›PMID 31113484›Full record

ArticleBMC musculoskeletal disorders2019

Prevalence and incidence rate of lower-extremity tendinopathies in a Danish general practice: a registry-based study.

Henrik Riel, Cassandra Frydendal Lindstrøm, Michael Skovdal Rathleff, Martin Bach Jensen, Jens Lykkegaard Olesen

Registry-linked trialOpen access · goldAbstract read
PubMed Full text at PMC Publisher
In one paragraph

Article in BMC musculoskeletal disorders, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT06939491 (Comparison of Ultrasound-Guided Electrolysis Therapy), which is not on this map. Cited by 60 papers, 8 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
60citing papers in PubMed, 8 pooled it
12.4field-weighted citation impact, top 1% of its field
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.

NCT06939491 naenrolling by invitationnot on this mapstarted 2024, after this paper: background citation

Comparison of Ultrasound-Guided Electrolysis Therapy (USGET) vs. Sham USGET on Patients With Patellar Tendinopathy: A Randomized Controlled Trial (RCT) Assessing the Effects on Pain, Function, and Tendon Structure Including MRI and Shear-wave Elastography Ultrasound Imaging

TypeinterventionalSponsorGymna UniphyRan2024 to 2026Enrolled74ConditionsPatellar Tendinopathy / Jumpers KneeArmsUltrasound guided electrolysis therapy, Sham Electrolysis
3 · Its place in the literature

Who cites it

60 citing papers in PubMed, 8 syntheses or guidelines pooled it, 140 citations in OpenAlex.

  1. Exercise for patellar tendinopathy.The Cochrane database of systematic reviews · 2025
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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

5 authors at 1 institution in 1 country.

Henrik RielCenter for General Practice at Aalborg University, Fyrkildevej 7, 9220, Aalborg East, Denmark. hriel@dcm.aau.dk.
Cassandra Frydendal LindstrømDepartment of Health Science and Technology, Faculty of Medicine, Aalborg University, Niels Jernes Vej 10, 9220, Aalborg East, Denmark.
Michael Skovdal RathleffCenter for General Practice at Aalborg University, Fyrkildevej 7, 9220, Aalborg East, Denmark.
Martin Bach JensenCenter for General Practice at Aalborg University, Fyrkildevej 7, 9220, Aalborg East, Denmark.
Jens Lykkegaard OlesenCenter for General Practice at Aalborg University, Fyrkildevej 7, 9220, Aalborg East, Denmark.
Aalborg University · DK

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundTendinopathies of the lower extremity (e.g. Achilles, patellar, and plantar heel pain) are common in both general and sporting populations. However, the prevalence and incidence in Danish general practice is unknown. The aim was to determine the prevalence and incidence rate of lower-extremity tendinopathies in a Danish general practice.

methodsIn this registry-based study, we extracted data from the electronic patient files of all patients in a single Danish general practice. The practice included 8836 patients. We searched ICPC-2 codes to identify patients with either of the following lower-extremity tendinopathies: plantar heel pain; Achilles tendinopathy; patellar tendinopathy; greater trochanteric pain syndrome or adductor tendinopathy. We defined an incident and prevalent case as a patient with a consultation because of tendinopathy in 2016 only. A prevalent, but not incident case was a patient with consultations in both 2015 and 2016. Incidence and prevalence were expressed as the number of patients with a tendinopathy per 1000 registered patients.

resultsThe prevalence and incidence rate were 16.6 and 7.9 per 1000 registered patients, respectively. Plantar heel pain was the most prevalent tendinopathy and accounted for 39% of lower-extremity tendinopathies. Patients with tendinopathies were significantly older than all registered patients (46.0 years (95%CI: 43.3;48.7) versus 38.8 years (95%CI: 38.4;39.3), respectively).

conclusionsLower-extremity tendinopathies, especially plantar heel pain, had a high prevalence and incidence rate in a Danish general practice. In a typical general practice with 5000 patients, general practitioners should expect to see more than 80 patients with a lower-extremity tendinopathy every year.

Indexed as

Achilles TendonAdolescentAdultAgedChildChild, PreschoolDenmarkFemaleGeneral PracticeHumansIncidenceInfantInfant, NewbornLower ExtremityMaleMiddle AgedEpidemiologyGeneral practiceIncidence ratePrevalenceTendinopathy

Identifiers

PMID31113484
PMCPMC6530027
OpenAlexW2948002071

What OpenQuestion holds

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LicenceCC BY
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Registered trials

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.