With caveats, varying the block size can adequately conceal the allocation sequence: authors' response

Journal of Critical Care

Volumn 21, Issue 2, 2006, Pages 229-230

  Doig, Gordon S ^a   Simpson, Fiona ^a  

^a UNIVERSITY OF SYDNEY   (Australia)

Author keywords

[No Author keywords available]

Indexed keywords

ACADEMIC ACHIEVEMENT; ACCURACY; INTENSIVE CARE; LETTER; MEDICAL LITERATURE; MEDICAL RESEARCH; METHODOLOGY; PRACTICE GUIDELINE; PREDICTION; PROFESSIONAL MISCONDUCT; PUBLICATION; RANDOMIZATION;

EID: 33744927904     PISSN: 08839441     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jcrc.2006.01.003     Document Type: Letter

References (4)

1. Berger W.W. Varying block size does not conceal the allocation. J Crit Care 21 (2006) 229
2. Doig G.S., and Simpson F. Randomization and allocation concealment: a practical guide for researchers. J Crit Care 20 (2005) 187-191
3. Schulz K.F., and Grimes D.A. Unequal group sizes in randomised trials: guarding against guessing. Lancet 359 9310 (2002) 966-970
4. Berger V.W., Ivanova A., and Deloria-Knoll M. Minimizing predictability while retaining balance through the use of less restrictive randomization procedures. Stat Med 22 19 (2003) 3017-3028