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CASP. Critical Appraisal Skills Programme Are the results Valid? What are the results? Will the results help locally?. Are the Results Valid?. Did the trial address a clearly focused issue? Population Intervention Comparator Outcomes Was assignment random?
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CASP • Critical Appraisal Skills Programme • Are the results Valid? • What are the results? • Will the results help locally?
Are the Results Valid? • Did the trial address a clearly focused issue? Population Intervention Comparator Outcomes • Was assignment random? • Were all the patients accounted for? • Blinding? Patients Health workers Study personnel • Were the groups similar from randomisation? • Were the groups treated the same other than the intervention?
What are the Results? • How large was the treatment effect? • How precise was the estimate of the effect? • Confidence limits.
Will the Results Help Locally? • Can the results be applied locally? • Were all the important clinical outcomes considered? • Are the benefits with the harms and costs?