Lack of prespecification in eligibility criteria

This problem is addressed in PRISMA 2009, PRISMA 2020, AMSTAR 2, ROBIS and MECIR. Systematic reviews should prospectively specify clear and unambiguous criteria for how studies will be included or excluded from the review.

Articles that support this problem:

Quality of reporting of systematic reviews and meta-analyses of surgical randomized clinical trials

2020 : Bjs open

The methodological quality of systematic reviews on the treatment of adult major depression needs improvement according to AMSTAR 2: A cross-sectional study

2020 : Heliyon

An AMSTAR assessment of the methodological quality of systematic reviews of oral healthcare interventions published in the Journal of Applied Oral Science (JAOS)

2011 : Journal of applied oral science

The currency, completeness and quality of systematic reviews of acute management of moderate to severe traumatic brain injury: A comprehensive evidence map

2018 : Plos one [electronic resource]

Risk of Bias and Quality of Reporting in Colon and Rectal Cancer Systematic Reviews Cited by National Comprehensive Cancer Network Guidelines

2020 : Journal of general internal medicine

Reporting bias in the literature on the associations of health-related behaviors and statins with cardiovascular disease and all-cause mortality

2018 : Plos biology

Generalizability of findings from systematic reviews and meta-analyses in the Leading General Medical Journals

2020 : Journal of rehabilitation medicine

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

2013 : Focus on alternative and complementary therapies

Quality assessment of systematic reviews regarding the effectiveness of zygomatic implants: an overview of systematic reviews

2020 : Medicina oral, patologia oral y cirugia bucal

Evaluating the quality of conduct of systematic reviews on the application of transcranial magnetic stimulation (TMS) for aphasia rehabilitation post-stroke

2020 : Aphasiology

Survey of Cochrane protocols found methods for data extraction from figures not mentioned or unclear

2015 : Journal of clinical epidemiology

Methodological and reporting quality evaluation of systematic reviews on acupuncture in women with polycystic ovarian syndrome: A systematic review

2018 : Complementary therapies in clinical practice

The quality of systematic reviews about interventions for refractive error can be improved: a review of systematic reviews

2017 : Bmc ophthalmology

Methodological quality and redundancy of systematic reviews that compare endarterectomy versus stenting for carotid stenosis

2019 : Bmj evidence-based medicine

Epidemiology, quality and reporting characteristics of systematic reviews of traditional Chinese medicine interventions published in Chinese journals

2011 : Plos one

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

2009 : Pharmacoepidemiology and drug safety

Dissemination bias in systematic reviews of animal research: a systematic review

2014 : Plos one

Not all systematic reviews are created equal

2018 : Canadian journal of occupational therapy

Systematic review adherence to methodological or reporting quality

2017 : Systematic reviews

Quality Assessment of Systematic Reviews on the Efficacy of Oral Appliance Therapy for Adult and Pediatric Sleep-Disordered Breathing

2016 : Journal of clinical sleep medicine

Systematic Reviews: Are They Actually Well Conducted and Reported in Accordance with PRISMA?

2020 : Bulletin of emergency & trauma

Risk of bias assessment of systematic reviews regarding dental implant placement in smokers: An umbrella systematic review

2018 : Journal of prosthetic dentistry

Overall confidence in the results of systematic reviews on exercise therapy for chronic low back pain: a cross-sectional analysis using the Assessing the Methodological Quality of Systematic Reviews (AMSTAR) 2 tool

2020 : Brazilian journal of physical therapy

Methodologic Assessment of the Systematic Reviews of Ophthalmic Adverse Drug Reactions Published in Ophthalmology Journals: A Systematic Review

2018 : Ophthalmic research

Quality of Systematic Reviews of the Foods with Function Claims in Japan: Comparative Before- and After-Evaluation of Verification Reports by the Consumer Affairs Agency

2019 : Nutrients

Need for quality improvement in renal systematic reviews

2008 : Clinical journal of the american society of nephrology

Epidemiology and Reporting Characteristics of Systematic Reviews of Biomedical Research: A Cross-Sectional Study

2016 : Plos medicine

Mind-body practices for cancer-related symptoms management: an overview of systematic reviews including one hundred twenty-nine meta-analyses

2022 : Supportive care in cancer

Therapies for sleep bruxism in dentistry: A critical evaluation of systematic reviews

2022 : Dental & medical problems

Reliability of the evidence to guide decision-making in foot ulcer prevention in diabetes: an overview of systematic reviews

2022 : Bmc medical research methodology

Synthesis methods other than meta-analysis were commonly used but seldom specified: survey of systematic reviews

2023 : Journal of clinical epidemiology

Exercise across the Lung Cancer Care Continuum: An Overview of Systematic Reviews

2023 : Journal of clinical medicine

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

A cross-sectional analysis of harms reporting in systematic reviews evaluating laminectomy

2023 : North american spine society journal

Tripterygium wilfordii Hook. f. Preparations for Rheumatoid Arthritis: An Overview of Systematic Reviews

2022 : Evidence-based complementary & alternative medicine: ecam

Chinese patent medicine Kanglaite injection for non-small-cell lung cancer: An overview of systematic reviews

2023 : Journal of ethnopharmacology

Quality of systematic reviews on timing of complementary feeding for early childhood allergy prevention

2023 : Bmc medical research methodology

Critical appraisal of systematic reviews of intervention in dentistry published between 2019-2020 using the AMSTAR 2 tool

2022 : Evidence based dentistry

Prevention of demineralization during multi-bracketed fixed orthodontic treatment: An overview of systematic reviews

2022 : International journal of paediatric dentistry

Prescription drug monitoring programs evaluation: A systematic review of reviews

2023 : Drug & alcohol dependence

Identification of outcomes reported for hospital antimicrobial stewardship interventions using a systematic review of reviews

2023 : Jac-antimicrobial resistance

Methodological quality of systematic reviews on treatments for Alzheimer's disease: a cross-sectional study

2022 : Alzheimer's research & therapy

Effectiveness of nonpharmacological interventions to prevent adverse events in the intensive care unit: A review of systematic reviews

2022 : Australian critical care

Acupuncture and Related Therapies for Chronic Urticaria: A Critical Overview of Systematic Reviews

2022 : Evidence-based complementary & alternative medicine: ecam

Mind-body exercises for osteoarthritis: an overview of systematic reviews including 32 meta-analyses

2023 : Disability & rehabilitation

Is the quality of systematic reviews influenced by prospective registration: a methods review of systematic musculoskeletal physical therapy reviews

2022 : Journal of manual & manipulative therapy

Evidence Mapping Based on Systematic Reviews of Cognitive Behavioral Therapy for Neuropathic Pain

2023 : Neural plasticity

An overview of the characteristics and methodological standards across systematic reviews with Meta-analysis of efficacy/effectiveness of influenza antiviral drugs

2022 : Current medical research & opinion

Comment on "Ticks infected with Crimean-Congo hemorrhagic fever virus (CCHFV): A decision approach systematic review and meta-analysis regarding their role as vectors"

2023 : Travel medicine and infectious disease

An Overview of Systematic Reviews: Acupuncture in the Treatment of Essential Hypertension

2022 : International journal of general medicine