An evaluation of inferential procedures for adaptive clinical trial designs with pre-specified rules for modifying the sample size.

Autor: Levin GP; Department of Biostatistics, University of Washington, Seattle, Washington 98195, U.S.A., Emerson SC; Department of Statistics, Oregon State University, Corvallis, Oregon 97331, U.S.A., Emerson SS; Department of Biostatistics, University of Washington, Seattle, Washington 98195, U.S.A.

Publikováno v: Biometrics [Biometrics] 2014 Sep; Vol. 70 (3), pp. 556-67. Date of Electronic Publication: 2014 Apr 25.

Adaptive clinical trial designs with pre-specified rules for modifying the sample size: understanding efficient types of adaptation.

Autor: Levin GP; Department of Biostatistics, University of Washington, Seattle, WA 98195, USA. glevin11@uw.edu, Emerson SC, Emerson SS

Publikováno v: Statistics in medicine [Stat Med] 2013 Apr 15; Vol. 32 (8), pp. 1259-75; discussion 1280-2. Date of Electronic Publication: 2012 Oct 19.

Genetic variants and associations of 25-hydroxyvitamin D concentrations with major clinical outcomes.

Autor: Levin GP; Department of Biostatistics, University of Washington, Seattle, USA., Robinson-Cohen C, de Boer IH, Houston DK, Lohman K, Liu Y, Kritchevsky SB, Cauley JA, Tanaka T, Ferrucci L, Bandinelli S, Patel KV, Hagström E, Michaëlsson K, Melhus H, Wang T, Wolf M, Psaty BM, Siscovick D, Kestenbaum B

Publikováno v: JAMA [JAMA] 2012 Nov 14; Vol. 308 (18), pp. 1898-905.

Allopurinol and mortality in hyperuricaemic patients.

Autor: Luk AJ; Veterans Affairs Puget Sound Health Care System, University of Washington, Seattle, WA, USA., Levin GP, Moore EE, Zhou XH, Kestenbaum BR, Choi HK

Publikováno v: Rheumatology (Oxford, England) [Rheumatology (Oxford)] 2009 Jul; Vol. 48 (7), pp. 804-6. Date of Electronic Publication: 2009 May 15.