The importance of randomised vs non-randomised trials

Affiliations

¹ Research Center for Vitamins and Vaccines, Bandim Health Project, Statens Serum Institut, 2300 Copenhagen, Denmark; Section of Epidemiology, Department of Public Health, University of Copenhagen, Copenhagen, Denmark. Electronic address: anri@ssi.dk.
² Research Center for Vitamins and Vaccines, Bandim Health Project, Statens Serum Institut, 2300 Copenhagen, Denmark; Odense Patient Data Explorative Network, University of Southern Denmark, Odense, Denmark.

Comment

Andreas Rieckmann et al. Lancet. 2019.

. 2019 Aug 24;394(10199):634.

doi: 10.1016/S0140-6736(19)31129-8.

¹ Research Center for Vitamins and Vaccines, Bandim Health Project, Statens Serum Institut, 2300 Copenhagen, Denmark; Section of Epidemiology, Department of Public Health, University of Copenhagen, Copenhagen, Denmark. Electronic address: anri@ssi.dk.
² Research Center for Vitamins and Vaccines, Bandim Health Project, Statens Serum Institut, 2300 Copenhagen, Denmark; Odense Patient Data Explorative Network, University of Southern Denmark, Odense, Denmark.

No abstract available

Comment in

The importance of randomised vs non-randomised trials - Authors' reply.
Gerstein HC, McMurray J, Holman RR. Gerstein HC, et al. Lancet. 2019 Aug 24;394(10199):635. doi: 10.1016/S0140-6736(19)31111-0. Lancet. 2019. PMID: 31448734 No abstract available.

Real-world studies no substitute for RCTs in establishing efficacy.
Gerstein HC, McMurray J, Holman RR. Gerstein HC, et al. Lancet. 2019 Jan 19;393(10168):210-211. doi: 10.1016/S0140-6736(18)32840-X. Lancet. 2019. PMID: 30663582 No abstract available.