Grading on a Curve: How Clinical Practice Guidelines Manufacture Certainty From Uncertain Evidence
Clinical practice guidelines are widely regarded as the gold standard of evidence-based medicine, yet a growing body of methodological analysis reveals a troubling pattern: guideline panels routinely assign strong, categorical recommendations to interventions supported by limited, low-quality, or industry-influenced research. This investigation examines the structural and sociological forces driving that escalation—and the downstream consequences for patient care.