Before revision: For other RCT study designs, "CONSORT extensions" have been published, some examples are: Consort 2010 Statement: Extension to Cluster Randomised Trials Consort 2010 Statement: Non-Pharmacologic Treatment Interventions Reporting of surrogate endpoints in randomised controlled trial reports (CONSORT-Surrogate): extension checklist with explanation and elaboration Relative importance and observational studies Two studies published in The New England Journal of Medicine in 2000 found that observational studies and RCTs overall produced similar results.
After revision: ""For other RCT study designs, "CONSORT extensions" have been published, some examples are: Consort 2010 Statement: Extension to Cluster Randomised Trials Consort 2010 Statement: Non-Pharmacologic Treatment Interventions Reporting of surrogate endpoints in randomised controlled trial reports (CONSORT-Surrogate): extension checklist with explanation and elaboration Relative importance and observational studies Two studies published in The New England Journal of Medicine in 2000 found that observational studies and RCTs overall produced similar results.