Implementation of SAMPL guidelines: Recommendations for improving statistical reporting in biomedical journals.

Area of Science:

• Biomedical Research
• Scientific Publishing
• Statistical Methodology

Background:

• The Statistical Analyses and Methods in the Published Literature (SAMPL) guidelines were introduced in 2015 to improve statistical reporting.
• Despite SAMPL guidelines, the quality of statistical reporting in biomedical journals remains inadequate.
• Authors and editorial boards underutilize existing statistical reporting guidelines.

Purpose of the Study:

• To assess the current state of statistical reporting quality in biomedical journals.
• To identify common deficiencies in statistical reporting.
• To propose strategies for improving statistical reporting and guideline adherence.

Main Methods:

• Analysis of common statistical reporting deficiencies in published biomedical literature.
• Review of the utilization and impact of the SAMPL guidelines.
• Identification of barriers to effective implementation of statistical reporting standards.

Main Results:

• Key deficiencies include unclear statistical test purposes, inadequate effect size reporting, poor assumption analysis, and limited outlier consideration.
• SAMPL guidelines are underutilized, leading to persistent issues in statistical reporting.
• Lack of statistical literacy and insufficient editorial oversight contribute to the problem.

Conclusions:

• Broader adoption of SAMPL recommendations is crucial for improving statistical reporting.
• Enhanced statistical literacy among researchers and editors is necessary.
• Stronger editorial oversight and targeted training are essential to ensure transparency and reliability in biomedical research.