Intervention not described / defined

This problem is addressed in PRISMA 2009, PRISMA 2020, AMSTAR 2, ROBIS and MECIR. The intervention, as it is understood for purposes of inclusion in the systematic review, need to be appropriately defined, as well as other elements of the eligibility criteria.

Articles that support this problem:

Systematic reviews of surgical procedures in children: quantity, coverage and quality

2013 : Journal of paediatrics and child health

Assessment of the quality of reporting for treatment components in Cochrane reviews of acupuncture

2014 : Bmj open

What's in a name? The challenge of describing interventions in systematic reviews: analysis of a random sample of reviews of non-pharmacological stroke interventions

2015 : Bmj open

Methodologically weak systematic review of Chinese herbal medicine for diabetic peripheral neuropathy calls for more rigorous trials

2013 : Focus on alternative and complementary therapies

Critical appraisal of systematic reviews on the effect of a history of periodontitis on dental implant loss

2013 : Journal of clinical periodontology

Quality of reporting in systematic reviews of implantable medical devices

2012 : Unknown

Systematic reviews of adverse effects of drug interventions: a survey of their conduct and reporting quality

2009 : Pharmacoepidemiology and drug safety

Methodological concerns about a systematic review and meta-analysis of maternal active smoking during pregnancy and low birth weight.

2019 : Nicotine and tobacco research

Reporting quality of Cochrane systematic reviews with Chinese herbal medicines

2019 : Systematic reviews

Not all systematic reviews are created equal

2018 : Canadian journal of occupational therapy

Intervention quality is not routinely assessed in Cochrane systematic reviews of radiation therapy interventions

2017 : Journal of medical imaging & radiation oncology

Clinical heterogeneity was a common problem in Cochrane reviews of physiotherapy and occupational therapy

2006 : Journal of clinical epidemiology

Overview authors rarely defined systematic reviews that are included in their overviews

2019 : Journal of clinical epidemiology

Potential Problems With Systematic Reviews and Meta-Analyses

2017 : Journal of pain

Some problems with Cochrane reviews of diet and chronic disease

2005 : European journal of clinical nutrition

Reduce variation and improve quality in meta-analyses

2014 : Annals of surgery

Characteristics and quality of systematic reviews of acupuncture, herbal medicines, and homeopathy

2003 : Complementary medicine research

Critical thinking about three meta-analyses: can vitamin D alone or with calcium prevent fractures?

2020 : Current medical research and opinion

If exercise is medicine, why don't we know the dose? An overview of systematic reviews assessing reporting quality of exercise interventions in health and disease

2022 : British journal of sports medicine

The methodological quality and clinical applicability of meta-analyses on probiotics in 2020: A cross-sectional study

2021 : Biomedicine & pharmacotherapy