Reporting Quality for Comorbidity Adjustment in Studies Using Korean Health Insurance Claims Data: A Scoping Review.

Key Points

• The study aims to evaluate the reporting quality of comorbidity adjustments in research using Korean health insurance claims data.
• Conducted a scoping review of existing studies.
• Assessed reporting quality indicators including data scope and diagnostic code range.
• Evaluated the look-back period utilized in prior research.
• Reporting quality remains suboptimal across analyzed studies.
• Lack of standardized guidelines leads to variability in reported findings.
• Emphasis on transparent reporting could enhance comparability of health research.