Lack of statistical expertise in handling of quantitative data

This problem is not addressed by any checklist or guideline. Desite the freely available plug and play nature of meta-analysis software, formal synthesis of results across studies or meta-analysis often requires input from someone with statistical expertise.

Articles that support this problem:

Journal impact factor is associated with PRISMA endorsement, but not with the methodological quality of low back pain systematic reviews: a methodological review

2020 : European spine journal

Evaluation of methodology and quality characteristics of systematic reviews in orthodontics

2011 : Orthodontics & craniofacial research

Prostate Artery Embolisation: Poor Design and Reporting Impact the Value of Current Systematic Reviews

2018 : European urology

Statistical methods can be improved within Cochrane pregnancy and childbirth reviews

2011 : Journal of clinical epidemiology

Flaws in the application and interpretation of statistical analyses in systematic reviews of therapeutic interventions were common: a cross-sectional analysis

2018 : Journal of clinical epidemiology

Reporting and methodological quality of systematic reviews in the orthopaedic literature

2013 : Jbjs

The methodological quality of systematic reviews and meta-analyses on the effectiveness of non-pharmacological cancer pain management

2015 : Pain management nursing

Several reasons explained the variation in the results of 22 meta-analyses addressing the same question

2019 : Journal of clinical epidemiology

Disagreements in meta-analyses using outcomes measured on continuous or rating scales: observer agreement study

2009 : Bmj

Epidemiology, quality, and reporting characteristics of systematic reviews and meta-analyses of nursing interventions published in Chinese journals

2015 : Nursing outlook

Methodological quality of meta-analyses on treatments for chronic obstructive pulmonary disease: a cross-sectional study using the AMSTAR (Assessing the Methodological Quality of Systematic Reviews) tool

2015 : Npj primary care respiratory medicine

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

2017 : Bmc ophthalmology

Methodological quality and risk-of-bias assessments in systematic reviews of treatments for peri-implantitis

2019 : Journal of periodontal research

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

2019 : Bmj evidence-based medicine

Assessment of the quality of systematic reviews on COVIDÔÇÉ19: A comparative study of previous coronavirus outbreaks

2020 : Journal of medical virology

Methodological Quality of Systematic Reviews and Meta-Analysis on Asthma Treatments. A Cross-Sectional Study

2020 : Annals of the american thoracic society

Reasons or excuses for avoiding meta-analysis in forest plots

2008 : Bmj

Methods and reporting of systematic reviews of comparative accuracy were deficient: a methodological survey and proposed guidance

2020 : Journal of clinical epidemiology

A re-analysis of the Cochrane Library data: the dangers of unobserved heterogeneity in meta-analyses

2013 : Plos one [electronic resource]

A methodological review of how heterogeneity has been examined in systematic reviews of diagnostic test accuracy.

2005 : Health technology assessment

Characteristics and quality of systematic reviews and meta-analyses of observational nutritional epidemiology: a cross-sectional study

2021 : American journal of clinical nutrition

Results from a meta-analysis comparing bovine carotid artery grafts with polytetrafluoroethylene grafts must be interpreted with caution due to methodological flaws

2021 : Journal of vascular access

The effectiveness of adjunctive measures in managing peri-implant mucositis: an umbrella review

2022 : International journal of implant dentistry

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

2022 : Bmc medical research methodology

Caution should be exercised when assessing ivermectin for the treatment of COVID-19 in systematic reviews

2022 : Reviews in medical virology

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

2022 : International journal of general medicine