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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1955 2
1957 1
1964 1
1965 2
1966 4
1967 5
1968 4
1970 4
1973 2
1974 7
1975 3
1976 12
1977 30
1978 144
1979 440
1980 610
1981 1167
1982 1472
1983 1807
1984 2016
1985 2611
1986 3236
1987 3941
1988 4194
1989 4295
1990 2121
1991 1320
1992 1245
1993 1128
1994 1315
1995 1446
1996 1527
1997 1584
1998 1542
1999 1842
2000 1914
2001 2088
2002 2449
2003 2718
2004 2818
2005 2664
2006 2917
2007 3290
2008 3888
2009 4000
2010 3638
2011 3820
2012 3659
2013 3855
2014 4238
2015 4426
2016 4612
2017 4825
2018 4678
2019 2734
2020 17
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102,094 results
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Page 1
Random allocation in controlled clinical trials: a review.
Egbewale BE. J Pharm Pharm Sci 2014 - Review. PMID 24934553 Free article.
In some circles, opinions are also divided on the strength and weaknesses of each of the random allocation strategies. This review provides an update on various random allocation techniques so as to correct existing misconceptions on this all important procedure. ...RESULTS: Allocation methods that use; case record number, date of birth, date of presentation, haphazard or alternating assignment are non-random allocation techniques and should not be confused as random methods. ...
In some circles, opinions are also divided on the strength and weaknesses of each of the random allocation strategies. This re …
[Randomisation]
Pripp AH. Tidsskr Nor Laegeforen 2018. PMID 30378409 Norwegian. Free article.
Reply
Parisinos CA. Gastroenterology 2019. PMID 30659832
How to randomise
Altman DG and Bland JM. BMJ 1999 - Review. PMID 10480833 Free PMC article.
Catalogue of bias: allocation bias.
Nunan D, et al. BMJ Evid Based Med 2018. PMID 29367320
Allocation bias is a type of selection bias and is relevant to clinical trials of interventions. Knowledge of interventions prior to group allocation can result in systematic differences in important characteristics that could influence study findings. Allocation bias can overestimate effect size by up to 30%-40%. Sequentially numbered, opaque, sealed envelopes; containers; pharmacy-controlled randomisation and central computer randomisation are methods to minimise allocation bias....
Allocation bias is a type of selection bias and is relevant to clinical trials of interventions. Knowledge of interventions prior to
Mechanisms and direction of allocation bias in randomised clinical trials.
Paludan-Müller A, et al. BMC Med Res Methodol 2016. PMID 27717321 Free PMC article.
BACKGROUND: Selective allocation of patients into the compared groups of a randomised trial may cause allocation bias, but the mechanisms behind the bias and its directionality are incompletely understood. ...We conducted one systematic review of empirical studies of motives/methods for deciphering patient allocation sequences; and another review of methods publications commenting on allocation bias. ...
BACKGROUND: Selective allocation of patients into the compared groups of a randomised trial may cause allocation bias, but the …
102,094 results
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