Items where Author is "Leyrat, C"

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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.

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.

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.

Public

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
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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
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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
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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
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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
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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
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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
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