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• 22:15, 24 March 2025 Lawrence talk contribs created page Stratification (Created page with "== Stratification '''Stratification''' is a technique used during randomization to ensure that important prognostic factors or baseline characteristics are evenly distributed across treatment groups. This improves balance, reduces confounding, and enhances statistical power. === Why Use Stratification in RCTs? === * '''Ensures Balance of Key Variables''' ** Prevents imbalance in critical characteristics such as age, sex, and disease severity. ** Particularly importan...")