Comparing apparently similar groups of patients who happen to have received different treatments in the same time period

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• Format Audio, Texts
• Language/s English
• Target Audience Self-directed learning
• EBM Stage 3 - Appraising evidence
• Duration <5 mins
• Difficulty Introductory

Key Concepts addressed

• 2-1a Comparison groups should be similar
• 2-1c Comparison groups should be treated equally
• 2-1e Peoples' outcomes should be assessed similarly
• 1-2e Comparisons are needed to identify treatment effects

Details

Comparing apparently similar groups of patients who happen to have received different treatments in the same time period