Items where Author is "Leyrat, C"
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Number of items: 16.
Article
Caille, A;
Kerry, S;
Tavernier, E;
Leyrat, C;
Eldridge, S;
Giraudeau, B;
(2016)
Timeline cluster: a graphical tool to identify risk of bias in cluster randomised trials.
BMJ (Clinical research ed), 354.
i4291.
ISSN 0959-8138
DOI: https://doi.org/10.1136/bmj.i4291
Caille, A;
Leyrat, C;
Giraudeau, B;
(2014)
A comparison of imputation strategies in cluster randomized trials with missing binary outcomes.
Statistical methods in medical research.
ISSN 0962-2802
DOI: https://doi.org/10.1177/0962280214530030
Full text not available from this repository.
Caille, A;
Leyrat, C;
Giraudeau, B;
(2012)
Dichotomizing a continuous outcome in cluster randomized trials: impact on power.
Statistics in medicine, 31 (24).
pp. 2822-32.
ISSN 0277-6715
DOI: https://doi.org/10.1002/sim.5409
Full text not available from this repository.
Chan, CL;
Leyrat, C;
Eldridge, SM;
(2017)
Quality of reporting of pilot and feasibility cluster randomised trials: a systematic review.
BMJ open, 7 (11).
e016970.
ISSN 2044-6055
DOI: https://doi.org/10.1136/bmjopen-2017-016970
Crellin, E;
Mansfield, KE;
Leyrat, C;
Nitsch, D;
Douglas, IJ;
Root, A;
Williamson, E;
Smeeth, L;
Tomlinson, LA;
(2018)
Trimethoprim use for urinary tract infection and risk of adverse outcomes in older patients: cohort study.
BMJ (Clinical research ed), 360.
k341.
ISSN 0959-8138
DOI: https://doi.org/10.1136/bmj.k341
Giraudeau, B;
Leyrat, C;
Le Gouge, A;
Léger, J;
Caille, A;
(2011)
Peer review of grant applications: a simple method to identify proposals with discordant reviews.
PLoS One, 6 (11).
e27557.
ISSN 1932-6203
DOI: https://doi.org/10.1371/journal.pone.0027557
Kahan, BC;
Forbes, G;
Ali, Y;
Jairath, V;
Bremner, S;
Harhay, MO;
Hooper, R;
Wright, N;
Eldridge, SM;
Leyrat, C;
(2016)
Increased risk of type I errors in cluster randomised trials with small or medium numbers of clusters: a review, reanalysis, and simulation study.
Trials, 17 (1).
p. 438.
ISSN 1745-6215
DOI: https://doi.org/10.1186/s13063-016-1571-2
Leyrat, C;
Caille, A;
Donner, A;
Giraudeau, B;
(2013)
Propensity scores used for analysis of cluster randomized trials with selection bias: a simulation study.
Statistics in medicine, 32 (19).
pp. 3357-72.
ISSN 0277-6715
DOI: https://doi.org/10.1002/sim.5795
Full text not available from this repository.
Leyrat, C;
Caille, A;
Donner, A;
Giraudeau, B;
(2014)
Propensity score methods for estimating relative risks in cluster randomized trials with low-incidence binary outcomes and selection bias.
Statistics in medicine, 33 (20).
pp. 3556-75.
ISSN 0277-6715
DOI: https://doi.org/10.1002/sim.6185
Full text not available from this repository.
Leyrat, C;
Caille, A;
Foucher, Y;
Giraudeau, B;
(2016)
Propensity score to detect baseline imbalance in cluster randomized trials: the role of the c-statistic.
BMC medical research methodology, 16 (1).
p. 9.
ISSN 1471-2288
DOI: https://doi.org/10.1186/s12874-015-0100-4
Leyrat, C;
Morgan, KE;
Leurent, B;
Kahan, BC;
(2017)
Cluster randomized trials with a small number of clusters: which analyses should be used?
International journal of epidemiology.
ISSN 0300-5771
DOI: https://doi.org/10.1093/ije/dyx169
Leyrat, C;
Morgan, KE;
Leurent, B;
Kahan, BC;
(2018)
Response to: How to design and analyse cluster randomized trials with a small number of clusters? Comment on Leyrat et al.
International journal of epidemiology.
ISSN 0300-5771
DOI: https://doi.org/10.1093/ije/dyy062
Item availability may be restricted.
Leyrat, C;
Seaman, SR;
White, IR;
Douglas, I;
Smeeth, L;
Kim, J;
Resche-Rigon, M;
Carpenter, JR;
Williamson, EJ;
(2017)
Propensity score analysis with partially observed covariates: How should multiple imputation be used?
Statistical methods in medical research.
p. 962280217713032.
ISSN 0962-2802
DOI: https://doi.org/10.1177/0962280217713032
Leyrat, Clemence;
Caille, Agnes;
Eldridge, Sandra;
Kerry, Sally;
Dechartres, Agnes;
Giraudeau, Bruno;
(2018)
Intervention effect estimates in cluster randomized versus individually randomized trials: a meta-epidemiological study.
International Journal of Epidemiology.
ISSN 0300-5771
DOI: https://doi.org/10.1093/ije/dyy229
Porcher, R;
Leyrat, C;
Baron, G;
Giraudeau, B;
Boutron, I;
(2015)
Performance of principal scores to estimate the marginal compliers causal effect of an intervention.
Statistics in medicine, 35 (5).
pp. 752-67.
ISSN 0277-6715
DOI: https://doi.org/10.1002/sim.6735
Full text not available from this repository.
Conference or Workshop Item
Coleman, Claire;
Leyrat, Clemence;
Eldridge, Sandra;
(2015)
The quality of reporting of pilot and feasibility cluster randomised trials: a systematic review.
In: 3rd International Clinical Trials Methodology Conference, 16-17 November 2015, Glasgow, UK.
DOI: https://doi.org/10.1186/1745-6215-16-S2-P13