Trial reportThe New England journal of medicine2013
Surgery versus physical therapy for a meniscal tear and osteoarthritis.
Trial report in The New England journal of medicine, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. It is linked to 3 registered trials, which are not on this map. Cited by 268 papers, 22 of them syntheses that pooled 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.
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.
Partial Meniscectomy Versus Nonoperative Management in Meniscal Tear With OA: A Randomized Controlled Trial (MeTeOR)
Assessing Catabolic Marker Levels in the Knee Synovial Fluid Microenvironment After Lavage With Platelet Poor Plasma (PPP)
Arthroscopic Labral Repair Versus Physical Therapy for Tears of the Acetabular Labrum in Patients Age 40 and Older
Who cites it
268 citing papers in PubMed, 22 syntheses or guidelines pooled it, 648 citations in OpenAlex.
- Surgery for early structural osteoarthritis of the hip and knee: the SCORE evidence synthesis and economic evaluation.Health technology assessment (Winchester, England) · 2026Pooled it
- Effectiveness of exercise therapy for osteoarthritis: an overview of systematic reviews and randomised controlled trials.RMD open · 2026Pooled it
- From regeneration to immunomodulation: a 20-year global bibliometric analysis of platelet-rich plasma for osteoarthritis.Frontiers in medicine · 2026Pooled it
- The formal EU-US Meniscus Rehabilitation 2024 Consensus: An ESSKA-AOSSM-AASPT initiative. Part II-Prevention, non-operative treatment and return to sport.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2025Guideline
- Arthroscopic surgery is not superior to conservative treatment in knee osteoarthritis: a systematic review and meta-analysis of randomized controlled trails.BMC musculoskeletal disorders · 2024Pooled it
- Osteoarthritis Development Following Meniscectomy vs. Meniscal Repair for Posterior Medial Meniscus Injuries: A Systematic Review.Medicina (Kaunas, Lithuania) · 2024Pooled it
- Arthroscopic surgery or exercise therapy for degenerative meniscal lesions: a systematic review of systematic reviews.Musculoskeletal surgery · 2023Pooled it
- Effectiveness of exercise versus arthroscopic partial meniscectomy plus exercise in the management of degenerative meniscal tears at 5-year follow-up: a systematic review and meta-analysis.Archives of orthopaedic and trauma surgery · 2023Pooled it
- No evidence in support of arthroscopic partial meniscectomy in adults with degenerative and nonobstructive meniscal symptoms: a level I evidence-based systematic review.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2023Pooled it
- Arthroscopic surgery for degenerative knee disease (osteoarthritis including degenerative meniscal tears).The Cochrane database of systematic reviews · 2022Pooled it
- Arthroscopic Partial Meniscectomy versus Physical Therapy for Degenerative Meniscal Tear: a Systematic Review.Journal of Korean medical science · 2021Pooled it
- Common elective orthopaedic procedures and their clinical effectiveness: umbrella review of level 1 evidence.BMJ (Clinical research ed.) · 2021Pooled it
- Risk factors for pain and functional impairment in people with knee and hip osteoarthritis: a systematic review and meta-analysis.BMJ open · 2020Pooled it
- Medical exercise therapy alone versus arthroscopic partial meniscectomy followed by medical exercise therapy for degenerative meniscal tear: a systematic review and meta-analysis of randomized controlled trials.Journal of orthopaedic surgery and research · 2020Pooled it
- Comparison of Arthroscopic Partial Meniscectomy to Physical Therapy following Degenerative Meniscus Tears: A Systematic Review and Meta-analysis.BioMed research international · 2020Pooled it
- Surgical interventions for symptomatic mild to moderate knee osteoarthritis.The Cochrane database of systematic reviews · 2019Pooled it
- Arthroscopic meniscal surgery: a national society treatment guideline and consensus statement.The bone & joint journal · 2019Guideline
- Subgroups of patients with osteoarthritis and medial meniscus tear or crystal arthropathy benefit from arthroscopic treatment.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2019Pooled it
- Arthroscopic meniscal surgery versus conservative management in patients aged 40 years and older: a meta-analysis.Archives of orthopaedic and trauma surgery · 2018Pooled it
- Pooled it
208 more citing papers are in PubMed but not listed here.
Corrections and comments
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Authors and funding
29 authors at 7 institutions in 1 country.
Funding
Abstract
backgroundWhether arthroscopic partial meniscectomy for symptomatic patients with a meniscal tear and knee osteoarthritis results in better functional outcomes than nonoperative therapy is uncertain.
methodsWe conducted a multicenter, randomized, controlled trial involving symptomatic patients 45 years of age or older with a meniscal tear and evidence of mild-to-moderate osteoarthritis on imaging. We randomly assigned 351 patients to surgery and postoperative physical therapy or to a standardized physical-therapy regimen (with the option to cross over to surgery at the discretion of the patient and surgeon). The patients were evaluated at 6 and 12 months. The primary outcome was the difference between the groups with respect to the change in the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) physical-function score (ranging from 0 to 100, with higher scores indicating more severe symptoms) 6 months after randomization.
resultsIn the intention-to-treat analysis, the mean improvement in the WOMAC score after 6 months was 20.9 points (95% confidence interval [CI], 17.9 to 23.9) in the surgical group and 18.5 (95% CI, 15.6 to 21.5) in the physical-therapy group (mean difference, 2.4 points; 95% CI, -1.8 to 6.5). At 6 months, 51 active participants in the study who were assigned to physical therapy alone (30%) had undergone surgery, and 9 patients assigned to surgery (6%) had not undergone surgery. The results at 12 months were similar to those at 6 months. The frequency of adverse events did not differ significantly between the groups.
conclusionsIn the intention-to-treat analysis, we did not find significant differences between the study groups in functional improvement 6 months after randomization; however, 30% of the patients who were assigned to physical therapy alone underwent surgery within 6 months. (Funded by the National Institute of Arthritis and Musculoskeletal and Skin Diseases; METEOR ClinicalTrials.gov number, NCT00597012.).
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Identifiers
What OpenQuestion holds
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.