Meta-analysis should be carried out objectively and rigorously

Sun, Ping; Bi, Minglei; Chen, Zhen‐Yu

doi:10.1016/j.jclinane.2018.12.055

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The Authors Used a Modified Version Of The Downs And1

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“…As a general rule, heterogeneity between studies is tested by the I 2 statistic with I 2 ≥ 50% indicating heterogeneity. If significant heterogeneity exists, a random-effects model is used; if no significant heterogeneity is found, a fixedeffects model is used [2].…”

Section: The Authors Used a Modified Version Of The Downs Andmentioning

confidence: 99%

Comment on “Lower Limb Muscle Size After Anterior Cruciate Ligament Injury: A Systematic Review and Meta‑Analysis”

Zhang

Chen

2021

Sports Med

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We carefully read the article "Lower limb muscle size after anterior cruciate ligament injury: a systematic review and meta-analysis" by Dutaillis et al. [1]. The authors explored the effect of anterior cruciate ligament injury on muscle size in the lower limbs and found that the quadriceps muscle of the injured limb after an anterior cruciate ligament injury is smaller than the equivalent muscle of the uninjured limb. When semitendinosus/gracilis tendon grafts were used for reconstruction, the harvested muscle showed a smaller muscle size than the uninjured limb. The methodology used by the authors involved a meta-analysis. Although the authors' analytical methods were scientific, we think there are some problems in this paper that need to be improved.

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Section: The Authors Used a Modified Version Of The Downs Andmentioning

confidence: 99%

Comment on “Lower Limb Muscle Size After Anterior Cruciate Ligament Injury: A Systematic Review and Meta‑Analysis”

Zhang

Chen

2021

Sports Med

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“…I selected this article to discuss fixed-effect and random-effects models. I found this article because of a letter to the editor by Sun et al 7 They noted the problem alluded to earlier, namely, the decisions Zhang et al made regarding which model to use.…”

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confidence: 99%

JPEN Journal Club 67. Fixed‐effect and random‐effects models

Koretz

2022

J Parenter Enteral Nutr

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Meta-analysis should be carried out objectively and rigorously

Cited by 2 publications

References 2 publications

Comment on “Lower Limb Muscle Size After Anterior Cruciate Ligament Injury: A Systematic Review and Meta‑Analysis”

Comment on “Lower Limb Muscle Size After Anterior Cruciate Ligament Injury: A Systematic Review and Meta‑Analysis”

JPEN Journal Club 67. Fixed‐effect and random‐effects models

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