Evidence map›Paper›PMID 33226833›Full record

ArticleThe American journal of sports medicine2021

Incidence of Femoroacetabular Impingement and Surgical Management Trends Over Time.

Rena F Hale, Heath P Melugin, Jun Zhou, Matthew D LaPrade, Christopher Bernard, Devin Leland, Bruce A Levy, Aaron J Krych

Open access · greenAbstract read
In one paragraph

Article in The American journal of sports medicine, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 67 papers, 6 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
67citing papers in PubMed, 6 pooled it
13.9field-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.

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

67 citing papers in PubMed, 6 syntheses or guidelines pooled it, 134 citations in OpenAlex.

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  6. Bilateral hip arthroscopy for treating femoroacetabular impingement: a systematic review.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2022
    Pooled it
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  20. Epidemiology of Femoroacetabular Impingement in Korea.Journal of Korean medical science · 2025
    Article

7 more citing papers are in PubMed but not listed here.

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

8 authors at 2 institutions in 2 countries.

Rena F HaleDepartment of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA.
Heath P MeluginDepartment of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA.
Jun ZhouDepartment of Orthopedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China.
Matthew D LaPradeDepartment of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA.
Christopher BernardDepartment of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA.
Devin LelandDepartment of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA.
Bruce A LevyDepartment of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA.
Aaron J KrychDepartment of Orthopedic Surgery, Mayo Clinic, Rochester, Minnesota, USA.
Mayo Clinic · USFirst Affiliated Hospital of Soochow University · CN

Funding

Mayo Clinic Center for Clinical and Translational Science (CCaTS UL1 Supplement - Dr. Timothy Curry)UL1TR002377 · NCATS · MAYO CLINIC ROCHESTER · PI VESNA D GAROVIC · 2017 to 2026
$78.4M
Musculoskeletal Research Training ProgramT32AR056950 · NIAMS · MAYO CLINIC ROCHESTER · PI Jennifer J Westendorf · 2009 to 2026
$7.0M
NCATS NIH HHS UL1 TR002377NIAMS NIH HHS T32 AR056950
6 · The paper itself

Abstract

backgroundFemoroacetabular impingement (FAI) is a well-known cause of hip pain in adolescents and young adults. However, the incidence in the general population has not been clearly defined. PURPOSE: To (1) define the population-based incidence of diagnosis of FAI in patients with hip pain, (2) report the trends in diagnosis of FAI over time, and (3) determine the changes in the rate and type of surgical management over time. STUDY

designCohort study; Level of evidence, 3.

methodsA geographic database was used to identify patients who were 14 to 50 years old with hip pain between the years 2000 and 2016. Chart and radiographic review was performed to determine which patients had FAI. To be included, patients had to have a triad of clinical symptoms, physical examination signs, and imaging findings consistent with FAI. Medical records were reviewed to obtain demographic information, clinical history, physical examination findings, imaging details, and treatment details. Statistical analysis determined the overall age- and sex-adjusted annual incidence of FAI diagnosis and trends over time.

resultsThere were 1893 patients evaluated with hip pain, and 716 (38%; 813 hips) had diagnosed FAI. The mean ± SD age was 27.2 ± 8.4 years, and 67% were female. The incidence of FAI diagnosis was 54.4 per 100,000 person-years. Female patients had a higher incidence than male patients (73.2 vs 36.1 per 100,000 person-years;

conclusionThe overall incidence of FAI diagnosis was 54.4 per 100,000 person-years, and it consistently increased between 2000 and 2016. Female patients had a higher incidence than male patients. The utilization of joint preservation operations, including hip arthroscopy, surgical hip dislocation, and anteverting periacetabular osteotomy, increased over time.

Indexed as

Femoracetabular ImpingementAdolescentAdultArthroscopyCohort StudiesFemaleHip JointHumansIncidenceMaleMiddle AgedYoung Adultfemoroacetabular impingementhip painincidence

Identifiers

PMID33226833
PMCPMC8025987
OpenAlexW3110108580

What OpenQuestion holds

Textmetadata
LicenceTDM
Read underepoch 390

Registered trials

None linked

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.