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Results by year

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

Year Number of Results
1995 1
1996 2
1997 3
1998 3
1999 1
2000 2
2001 9
2002 5
2003 7
2004 5
2005 15
2006 16
2007 11
2008 9
2009 12
2010 10
2011 13
2012 11
2013 19
2014 22
2015 34
2016 22
2017 16
2018 15
2019 16
2020 14
2021 18
2022 35
2023 26
2024 4

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330 results

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Page 1
Sample size calculation for a stepped wedge trial.
Baio G, Copas A, Ambler G, Hargreaves J, Beard E, Omar RZ. Baio G, et al. Among authors: copas a. Trials. 2015 Aug 17;16:354. doi: 10.1186/s13063-015-0840-9. Trials. 2015. PMID: 26282553 Free PMC article. Review.
Collecting and exploiting data to understand a nation's sexual health needs: Implications for the British National Surveys of Sexual Attitudes and Lifestyles (Natsal).
Mercer CH, Clifton S, Prior G, Aldridge RW, Bonell C, Copas AJ, Field N, Gibbs J, Macdowall W, Mitchell KR, Tanton C, Thomson N, Unemo M, Sonnenberg P. Mercer CH, et al. Among authors: copas aj. Sex Transm Infect. 2019 May;95(3):159-161. doi: 10.1136/sextrans-2018-053571. Epub 2019 Mar 19. Sex Transm Infect. 2019. PMID: 30890634 Free PMC article. No abstract available.
Improving clinical trial interpretation with ACCEPT analyses.
Clements MN, White IR, Copas AJ, Cornelius V, Cro S, Dunn DT, Quartagno M, Turner RM, Tweed CD, Walker AS. Clements MN, et al. Among authors: copas aj. NEJM Evid. 2022 Jul 26;1(8):evidctw2200018. doi: 10.1056/EVIDctw2200018. eCollection 2022 Aug. NEJM Evid. 2022. PMID: 35965674 Free PMC article. No abstract available.
Cohort Profile: The Flu Watch Study.
Fragaszy EB, Warren-Gash C, Wang L, Copas A, Dukes O, Edmunds WJ, Goonetilleke N, Harvey G, Johnson AM, Kovar J, Lim MS, McMichael A, Millett ER, Nazareth I, Nguyen-Van-Tam JS, Tabassum F, Watson JM, Wurie F, Zambon M, Hayward AC; Flu Watch Group. Fragaszy EB, et al. Among authors: copas a. Int J Epidemiol. 2017 Apr 1;46(2):e18. doi: 10.1093/ije/dyv370. Int J Epidemiol. 2017. PMID: 26940466 Free PMC article. No abstract available.
Evaluation of respondent-driven sampling.
McCreesh N, Frost SD, Seeley J, Katongole J, Tarsh MN, Ndunguse R, Jichi F, Lunel NL, Maher D, Johnston LG, Sonnenberg P, Copas AJ, Hayes RJ, White RG. McCreesh N, et al. Among authors: copas aj. Epidemiology. 2012 Jan;23(1):138-47. doi: 10.1097/EDE.0b013e31823ac17c. Epidemiology. 2012. PMID: 22157309 Free PMC article.
330 results