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Oxford Quality Scoring System Jadad et al. 1996 Oxford Quality Scoring System

* 1. Was the study described as random?
* 2. Was the randomization scheme described and appropriate?
* 3. Was the study described as double-blind?
* 4. Was the method of double blinding appropriate?

Were both the patient and the assessor appropriately blinded?

* 5. Was there a description of dropouts and withdrawals?

Jadad AR, Moore RA, Carroll D, et al. Assessing the quality of reports of randomized clinical trials: is blinding necessary?. Control Clin Trials. 1996;17(1):1-12. PMID: 8721797
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