CHEERS guidelines influence reporting quality by specifying what?

• A. They require no minimum reporting standards.
• B. They focus only on cost data.
• C. They specify essential methods, inputs, results, and limitations to improve transparency and reproducibility.
• D. They dictate clinical trial designs.

Answer: (C)

CHEERS focuses on how to report health economic evaluations so others can understand and reproduce the work. It specifies what to include to raise transparency: the essential methods (how the evaluation was conducted, study perspective, time horizon, comparators, model structure, and key assumptions), the inputs (data sources for costs and health outcomes, unit costs, resource use, and any epidemiologic data), the results (base-case findings, uncertainty analyses, and the incremental results such as the incremental cost-effectiveness ratio), and the limitations (uncertainties, biases, and generalizability). By demanding these elements, CHEERS makes it easier to judge validity, compare across studies, and potentially replicate analyses. The other options don’t fit because there are minimum reporting standards, CHEERS covers more than just cost data, and it centers on reporting health economic evaluations rather than dictating trial designs.