Clin Orthop Surg.
2015 Sep;7(3):422-423. 10.4055/cios.2015.7.3.422.
Concealing Block Sizes Is Not Sufficient
- Affiliations
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- 1National Cancer Institute and University of Maryland Baltimore County, Biometry Research Group, National Cancer Institute, Rockville, MD, USA. vb78c@nih.gov
- 2Department of Biostatistics, Bioinformatics and Biomathematics, Georgetown University, Washington, DC, USA.
- KMID: 2234103
- DOI: http://doi.org/10.4055/cios.2015.7.3.422
Abstract
- No abstract available.
Reference
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1. Kim J, Shin W. How to do random allocation (randomization). Clin Orthop Surg. 2014; 6(1):103–109.
Article2. Berger VW. Do not use blocked randomization. Headache. 2006; 46(2):343.3. Berger VW. Selection bias and covariate imbalances in randomized clinical trials. Chichester: John Wiley & Sons;2005.
Article4. Berger VW. Varying the block size does not conceal the allocation. J Crit Care. 2006; 21(2):229.
Article5. Berger VW, Ivanova A, Knoll MD. Minimizing predictability while retaining balance through the use of less restrictive randomization procedures. Stat Med. 2003; 22(19):3017–3028.
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