Evidence map›Paper›PMID 31965215›Full record

ArticleKnee surgery, sports traumatology, arthroscopy : official journal of the ESSKA2020

Varus alignment of the proximal tibia is associated with structural progression in early to moderate varus osteoarthritis of the knee.

Jonathan S Palmer, Luke D Jones, A Paul Monk, Michael Nevitt, John Lynch, David J Beard, M K Javaid, Andrew J Price

Open access · hybridAbstract read
In one paragraph

Article in Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
28citing papers in PubMed, 1 pooled it
4.9field-weighted citation impact, top 4% 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

28 citing papers in PubMed, 1 synthesis or guideline pooled it, 39 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Article
  4. Article
  5. Article
  6. Article
  7. Article
  8. Article
  9. Review
  10. Article
  11. Article
  12. Article
  13. Article
  14. Article
  15. Changes in the position of the medial meniscus owing to degenerative meniscus tears.Asia-Pacific journal of sports medicine, arthroscopy, rehabilitation and technology · 2025
    Article
  16. Article
  17. Review
  18. Article
  19. Article
  20. Greater medial proximal tibial slope is associated with bone marrow lesions in middle-aged women with early knee osteoarthritis.Journal of orthopaedics and traumatology : official journal of the Italian Society of Orthopaedics and Traumatology · 2023
    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

8 authors at 5 institutions in 3 countries.

Jonathan S PalmerOrthopaedic Department, Dorset County Hospital, Dorchester, DT1 2JY, UK.ORCID http://orcid.org/0000-0003-0797-8143
Luke D JonesOrthopaedic Department, Chelsea and Westminster Hospital, London, SW10 9NH, UK.
A Paul MonkAuckland Bioengineering Institute, University of Auckland, Auckland, 1142, New Zealand.
Michael NevittSan Francisco Coordinating Center, University of California, San Francisco, USA.
John LynchSan Francisco Coordinating Center, University of California, San Francisco, USA.
David J BeardNuffield Department of Orthopaedics Rheumatology and Musculoskeletal Sciences, University of Oxford, Old Rd, Oxford, OX3 7LD, UK.
M K JavaidNuffield Department of Orthopaedics Rheumatology and Musculoskeletal Sciences, University of Oxford, Old Rd, Oxford, OX3 7LD, UK.
Andrew J PriceNuffield Department of Orthopaedics Rheumatology and Musculoskeletal Sciences, University of Oxford, Old Rd, Oxford, OX3 7LD, UK. Andrew.price@ndorms.ox.ac.uk.
Nuffield Orthopaedic Centre · GBUniversity of California, San Francisco · USChelsea and Westminster Hospital · GBDorset County Hospital · GBUniversity of Auckland · NZ

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeLower limb malalignment is a strong predictor of progression in knee osteoarthritis. The purpose of this study is to identify the individual alignment variables that predict progression in early to moderate osteoarthritis of the knee.

methodA longitudinal cohort study using data from the Osteoarthritis Initiative. In total, 955 individuals (1329 knees) with early to moderate osteoarthritis (Kellgren-Lawrence grade 1, 2 or 3) were identified. All subjects had full-limb radiographs analysed using the Osteotomy module within Medicad

resultsIndividual alignment variable were associated with both valgus and varus alignment (mechanical Lateral Distal Femoral Angle, Medial Proximal Tibial Angle and mechanical Lateral Distal Tibial Angle). Only the Medial Proximal Tibial Angle was significantly associated with structural progression and none of the variables was associated with symptom progression. The odds of joint space narrowing progression in the medial compartment occurring at 24 months increased by 21% for every one degree decrease (more varus) in Medial Proximal Tibial Angle (p < 0.001)

conclusionsOur results suggest that the risk of structural progression in the medial compartment is associated with greater varus alignment of the proximal tibia. LEVEL OF EVIDENCE: Level III, retrospective cohort study.

Indexed as

AgedDisease ProgressionFemaleFemurHumansKnee JointLongitudinal StudiesLower ExtremityMaleMiddle AgedOsteoarthritis, KneeOsteotomyRadiographyRetrospective StudiesTibiaCoronalKneeMechanical alignmentMPTAOsteoarthritisProximal tibial angle

Identifiers

PMID31965215
PMCPMC7511471
OpenAlexW3002580005

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.