Items where Author or Contributor is "Leyrat, Clémence"
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Number of items: 44.
2022
Baptiste, Paris J;
Wong, Angel YS;
Schultze, Anna;
Cunnington, Marianne;
Mann, Johannes FE;
Clase, Catherine;
Leyrat, Clémence;
Tomlinson, Laurie A;
Wing, Kevin;
(2022)
Effects of ACE inhibitors and angiotensin receptor blockers: protocol for a UK cohort study using routinely collected electronic health records with validation against the ONTARGET trial.
BMJ Open, 12 (3).
e051907-.
ISSN 2044-6055
DOI: https://doi.org/10.1136/bmjopen-2021-051907
Bettega, François;
Leyrat, Clémence;
Tamisier, Renaud;
Mendelson, Monique;
Grillet, Yves;
Sapene, Marc;
Bonsignore, Maria R;
Pepin, Jean Louis;
Kattan, Michael W;
Bailly, Sébastien;
(2022)
Application of Inverse-Probability-of-Treatment Weighting to Estimate the Effect of Daytime Sleepiness in Obstructive sleep apnea patients.
Annals of the American Thoracic Society.
ISSN 2329-6933
DOI: https://doi.org/10.1513/AnnalsATS.202109-1036OC
Item availability may be restricted.
Hajage, David;
Combes, Alain;
Guervilly, Christophe;
Lebreton, Guillaume;
Mercat, Alain;
Pavot, Arthur;
Nseir, Saad;
Mekontso-Dessap, Armand;
Mongardon, Nicolas;
Mira, Jean Paul;
+13 more...
Ricard, Jean-Damien;
Beurton, Alexandra;
Tachon, Guillaume;
Kontar, Loay;
Le Terrier, Christophe;
Richard, Jean Christophe;
Mégarbane, Bruno;
Keogh, Ruth H;
Belot, Aurélien;
Maringe, Camille;
Leyrat, Clémence;
Schmidt, Matthieu;
COVID-ICU Investigators;
(2022)
Extracorporeal Membrane Oxygenation for Severe Acute Respiratory Distress Syndrome Associated with COVID-19: An Emulated Target Trial Analysis.
American journal of respiratory and critical care medicine, 206 (3).
pp. 281-294.
ISSN 1073-449X
DOI: https://doi.org/10.1164/rccm.202111-2495OC
2021
Besançon, Lonni;
Peiffer-Smadja, Nathan;
Segalas, Corentin;
Jiang, Haiting;
Masuzzo, Paola;
Smout, Cooper;
Billy, Eric;
Deforet, Maxime;
Leyrat, Clémence;
(2021)
Open science saves lives: lessons from the COVID-19 pandemic.
BMC medical research methodology, 21 (1).
117-.
ISSN 1471-2288
DOI: https://doi.org/10.1186/s12874-021-01304-y
Bhate, Ketaki;
Lin, Liang-Yu;
Barbieri, John S;
Leyrat, Clémence;
Hopkins, Susan;
Stabler, Richard;
Shallcross, Laura;
Smeeth, Liam;
Francis, Nick;
Mathur, Rohini;
+2 more...
Langan, Sinéad M;
Sinnott, Sarah-Jo;
(2021)
Is there an association between long-term antibiotics for acne and subsequent infection sequelae and antimicrobial resistance? A systematic review.
British Journal of General Practice Open, 5 (3).
BJGPO.2020.0181-.
DOI: https://doi.org/10.3399/BJGPO.2020.0181
Bhate, Ketaki;
Lin, Liang-Yu;
Barbieri, John;
Leyrat, Clémence;
Hopkins, Susan;
Stabler, Richard;
Shallcross, Laura;
Smeeth, Liam;
Francis, Nick A;
Mathur, Rohini;
+2 more...
Langan, Sinéad M;
Sinnott, Sarah-Jo;
(2021)
Is there an association between long-term antibiotics for acne and subsequent infection sequelae and antimicrobial resistance? A systematic review protocol.
BMJ open, 10 (7).
e033662-.
ISSN 2044-6055
DOI: https://doi.org/10.1136/bmjopen-2019-033662
Chatton, Arthur;
Borgne, Florent Le;
Leyrat, Clémence;
Foucher, Yohann;
(2021)
G-computation and doubly robust standardisation for continuous-time data: A comparison with inverse probability weighting.
Statistical Methods in Medical Research, 31 (4).
pp. 706-718.
ISSN 0962-2802
DOI: https://doi.org/10.1177/09622802211047345
Greenhall, George HB;
Mansfield, Kathryn E;
Nitsch, Dorothea;
Iwagami, Masao;
Leyrat, Clémence;
Johnston, Rosalynd;
Smeeth, Liam;
Tomlinson, Laurie A;
(2021)
The effect of initiation of renin-angiotensin system inhibitors on haemoglobin: A national cohort study.
British journal of clinical pharmacology, 87 (2).
pp. 622-631.
ISSN 0306-5251
DOI: https://doi.org/10.1111/bcp.14429
Keogh, Ruth H;
Cosgriff, Rebecca;
Andrinopoulou, Eleni-Rosalina;
Brownlee, Keith G;
Carr, Siobhán B;
Diaz-Ordaz, Karla;
Granger, Emily;
Jewell, Nicholas P;
Lewin, Alex;
Leyrat, Clemence;
+4 more...
Schlüter, Daniela K;
van Smeden, Maarten;
Szczesniak, Rhonda D;
Connett, Gary J;
(2021)
Projecting the impact of triple CFTR modulator therapy on intravenous antibiotic requirements in cystic fibrosis using patient registry data combined with treatment effects from randomised trials.
Thorax.
ISSN 0040-6376
DOI: https://doi.org/10.1136/thoraxjnl-2020-216265
Kipourou, Dimitra-Kleio;
Leyrat, Clémence;
Alsheridah, Nourah;
Almazeedi, Sulaiman;
Al-Youha, Sarah;
Jamal, Mohammad H;
Al-Haddad, Mohannad;
Al-Sabah, Salman;
Rachet, Bernard;
Belot, Aurélien;
(2021)
Correction to: Probabilities of ICU admission and hospital discharge according to patient characteristics in the designated COVID-19 hospital of Kuwait.
BMC public health, 21 (1).
1193-.
ISSN 1471-2458
DOI: https://doi.org/10.1186/s12889-021-11146-4
Kipourou, Dimitra-Kleio;
Leyrat, Clémence;
Alsheridah, Nourah;
Almazeedi, Sulaiman;
Al-Youha, Sarah;
Jamal, Mohammad H;
Al-Haddad, Mohannad;
Al-Sabah, Salman;
Rachet, Bernard;
Belot, Aurélien;
(2021)
Probabilities of ICU admission and hospital discharge according to patient characteristics in the designated COVID-19 hospital of Kuwait.
BMC Public Health, 21 (1).
799-.
DOI: https://doi.org/10.1186/s12889-021-10759-z
Mulot, Matthieu;
Segalas, Corentin;
Leyrat, Clémence;
Besançon, Lonni;
(2021)
Re: Subramanian and Kumar. Vaccination rates and COVID-19 cases.
EUROPEAN JOURNAL OF EPIDEMIOLOGY, 36 (12).
pp. 1243-1244.
ISSN 0393-2990
DOI: https://doi.org/10.1007/s10654-021-00817-6
Item availability may be restricted.
Pishgar, Farhad;
Greifer, Noah;
Leyrat, Clemence;
Stuart, Elizabeth;
(2021)
MatchThem:: Matching and Weighting after Multiple Imputation.
R JOURNAL, 13 (2).
pp. 292-305.
ISSN 2073-4859
https://journal.r-project.org/archive/2021-2/
Smith, Matthew J;
Mansournia, Mohammad A;
Maringe, Camille;
Zivich, Paul N;
Cole, Stephen R;
Leyrat, Clémence;
Belot, Aurélien;
Rachet, Bernard;
Luque-Fernandez, Miguel A;
(2021)
Introduction to computational causal inference using reproducible Stata, R, and Python code: A tutorial.
Statistics in medicine, 41 (2).
pp. 407-432.
ISSN 0277-6715
DOI: https://doi.org/10.1002/sim.9234
Smith, Matthew James;
Njagi, Edmund Njeru;
Belot, Aurelien;
Leyrat, Clémence;
Bonaventure, Audrey;
Benitez Majano, Sara;
Rachet, Bernard;
Luque Fernandez, Miguel Angel;
(2021)
Association between multimorbidity and socioeconomic deprivation on short-term mortality among patients with diffuse large B-cell or follicular lymphoma in England: a nationwide cohort study.
BMJ OPEN, 11 (11).
e049087-.
ISSN 2044-6055
DOI: https://doi.org/10.1136/bmjopen-2021-049087
de Souza, Dziedzom K;
Thomas, Rebecca;
Bradley, John;
Leyrat, Clemence;
Boakye, Daniel A;
Okebe, Joseph;
(2021)
Ivermectin treatment in humans for reducing malaria transmission.
Cochrane Database of Systematic Reviews, 6 (6).
CD013117-.
ISSN 1469-493X
DOI: https://doi.org/10.1002/14651858.CD013117.pub2
2020
Bidulka, Patrick;
Fu, Edouard L;
Leyrat, Clémence;
Kalogirou, Fotini;
McAllister, Katherine SL;
Kingdon, Edward J;
Mansfield, Kathryn E;
Iwagami, Masao;
Smeeth, Liam;
Clase, Catherine M;
+5 more...
Bhaskaran, Krishnan;
van Diepen, Merel;
Carrero, Juan-Jesus;
Nitsch, Dorothea;
Tomlinson, Laurie A;
(2020)
Stopping renin-angiotensin system blockers after acute kidney injury and risk of adverse outcomes: parallel population-based cohort studies in English and Swedish routine care.
BMC Medicine, 18 (1).
195-.
DOI: https://doi.org/10.1186/s12916-020-01659-x
Blake, Helen A;
Leyrat, Clémence;
Mansfield, Kathryn E;
Seaman, Shaun;
Tomlinson, Laurie A;
Carpenter, James;
Williamson, Elizabeth J;
(2020)
Propensity scores using missingness pattern information: a practical guide.
Statistics in Medicine, 39 (11).
pp. 1641-1657.
ISSN 0277-6715
DOI: https://doi.org/10.1002/sim.8503
Blake, Helen A;
Leyrat, Clémence;
Mansfield, Kathryn E;
Tomlinson, Laurie A;
Carpenter, James;
Williamson, Elizabeth J;
(2020)
Estimating treatment effects with partially observed covariates using outcome regression with missing indicators.
Biometrical Journal, 62 (2).
pp. 428-443.
ISSN 0323-3847
DOI: https://doi.org/10.1002/bimj.201900041
Chatton, Arthur;
Le Borgne, Florent;
Leyrat, Clémence;
Gillaizeau, Florence;
Rousseau, Chloé;
Barbin, Laetitia;
Laplaud, David;
Léger, Maxime;
Giraudeau, Bruno;
Foucher, Yohann;
(2020)
G-computation, propensity score-based methods, and targeted maximum likelihood estimator for causal inference with different covariates sets: a comparative simulation study.
Scientific Reports, 10 (1).
9219-.
DOI: https://doi.org/10.1038/s41598-020-65917-x
Greenhall, George HB;
Mansfield, Kathryn E;
Nitsch, Dorothea;
Iwagami, Masao;
Leyrat, Clemence;
Johnston, Rosalynd;
Smeeth, Liam;
Tomlinson, Laurie A;
(2020)
The effect of initiation of renin-angiotensin system inhibitors on haemoglobin: A national cohort study.
British Journal of Clinical Pharmacology, 87 (2).
pp. 622-631.
ISSN 0306-5251
DOI: https://doi.org/10.1111/bcp.14429
Leyrat, Clémence;
Carpenter, James R;
Bailly, Sébastien;
Williamson, Elizabeth J;
(2020)
Common Methods for Handling Missing Data in Marginal Structural Models: What Works and Why.
American journal of epidemiology, 190 (4).
pp. 663-672.
ISSN 0002-9262
DOI: https://doi.org/10.1093/aje/kwaa225
Maringe, Camille;
Benitez Majano, Sara;
Exarchakou, Aimilia;
Smith, Matthew;
Rachet, Bernard;
Belot, Aurélien;
Leyrat, Clémence;
(2020)
Reflection on modern methods: trial emulation in the presence of immortal-time bias. Assessing the benefit of major surgery for elderly lung cancer patients using observational data.
Int J Epidemiol, 49 (5).
pp. 1719-1729.
ISSN 0300-5771
DOI: https://doi.org/10.1093/ije/dyaa057
Maringe, Camille;
Benitez Majano, Sara;
Exarchakou, Aimilia;
Smith, Matthew;
Rachet, Bernard;
Belot, Aurélien;
Leyrat, Clémence;
(2020)
Reply to: Versatility of the clone-censor-weight approach: response to ''trial emulation in the presence of immortal-time bias''.
International Journal of Epidemiology, 50 (2).
696-.
ISSN 0300-5771
DOI: https://doi.org/10.1093/ije/dyaa225
Pourrat, Xavier;
Leyrat, Clémence;
Allenet, Benoît;
Bouzige, Brigitte;
Develay, Armelle;
Fraysse, Martial;
Garnier, Valérie;
Halimi, Jean-Michel;
Roux-Marson, Clarisse;
Giraudeau, Bruno;
(2020)
Effectiveness of a multicomponent pharmacist intervention at hospital discharge for drug-related problems: A cluster randomised cross-over trial.
British Journal of Clinical Pharmacology, 86 (12).
pp. 2441-2454.
ISSN 0306-5251
DOI: https://doi.org/10.1111/bcp.14349
2019
Blake, Helen A;
Leyrat, Clemence;
Mansfield, Kathryn E;
Seaman, Shaun;
Tomlinson, Laurie A;
Carpenter, James;
Williamson, Elizabeth J;
(2019)
Propensity scores using missingness pattern information: a practical guide.
ArXiv.
https://arxiv.org/abs/1901.03981
(Unpublished)
Whidden, Caroline;
Thwing, Julie;
Gutman, Julie;
Wohl, Ethan;
Leyrat, Clémence;
Kayentao, Kassoum;
Johnson, Ari David;
Greenwood, Brian;
Chandramohan, Daniel;
(2019)
Proactive case detection of common childhood illnesses by community health workers: a systematic review.
BMJ Global Health, 4 (6).
e001799-.
ISSN 2059-7908
DOI: https://doi.org/10.1136/bmjgh-2019-001799
Wilson, Emma;
Leyrat, Clémence;
Baraitser, Paula;
Free, Caroline;
(2019)
Does internet-accessed STI (e-STI) testing increase testing uptake for chlamydia and other STIs among a young population who have never tested? Secondary analyses of data from a randomised controlled trial.
Sexually Transmitted Infections, 95 (8).
pp. 569-574.
ISSN 1368-4973
DOI: https://doi.org/10.1136/sextrans-2019-053992
2018
Crellin, Elizabeth;
Mansfield, Kathryn E;
Leyrat, Clémence;
Nitsch, Dorothea;
Douglas, Ian J;
Root, Adrian;
Williamson, Elizabeth;
Smeeth, Liam;
Tomlinson, Laurie A;
(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
Leyrat, Clémence;
Caille, Agnès;
Eldridge, Sandra;
Kerry, Sally;
Dechartres, Agnès;
Giraudeau, Bruno;
(2018)
Intervention effect estimates in cluster randomized versus individually randomized trials: a meta-epidemiological study.
International Journal of Epidemiology, 48 (2).
pp. 609-619.
ISSN 0300-5771
DOI: https://doi.org/10.1093/ije/dyy229
Leyrat, Clémence;
Morgan, Katy E;
Leurent, Baptiste;
Kahan, Brennan C;
(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, 47 (3).
pp. 1001-1002.
ISSN 0300-5771
DOI: https://doi.org/10.1093/ije/dyy062
2017
Chan, Claire L;
Leyrat, Clémence;
Eldridge, Sandra M;
(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
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, Clémence;
Morgan, Katy E;
Leurent, Baptiste;
Kahan, Brennan C;
(2017)
Cluster randomized trials with a small number of clusters: which analyses should be used?
International journal of epidemiology, 47 (1).
pp. 321-331.
ISSN 0300-5771
DOI: https://doi.org/10.1093/ije/dyx169
2016
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
Kahan, Brennan C;
Forbes, Gordon;
Ali, Yunus;
Jairath, Vipul;
Bremner, Stephen;
Harhay, Michael O;
Hooper, Richard;
Wright, Neil;
Eldridge, Sandra M;
Leyrat, Clémence;
(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).
438-.
ISSN 1745-6215
DOI: https://doi.org/10.1186/s13063-016-1571-2
Leyrat, Clémence;
Caille, Agnès;
Foucher, Yohann;
Giraudeau, Bruno;
(2016)
Propensity score to detect baseline imbalance in cluster randomized trials: the role of the c-statistic.
BMC medical research methodology, 16 (1).
9-.
ISSN 1471-2288
DOI: https://doi.org/10.1186/s12874-015-0100-4
2015
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
Porcher, Raphaël;
Leyrat, Clémence;
Baron, Gabriel;
Giraudeau, Bruno;
Boutron, Isabelle;
(2015)
Performance of principal scores to estimate the marginal compliers causal effect of an intervention.
Statistics in medicine, 35 (5).
pp. 752-767.
ISSN 0277-6715
DOI: https://doi.org/10.1002/sim.6735
Full text not available from this repository.
2014
Caille, Agnès;
Leyrat, Clémence;
Giraudeau, Bruno;
(2014)
A comparison of imputation strategies in cluster randomized trials with missing binary outcomes.
Statistical methods in medical research, 25 (6).
pp. 2650-2669.
ISSN 0962-2802
DOI: https://doi.org/10.1177/0962280214530030
Full text not available from this repository.
Leyrat, Clémence;
Caille, Agnès;
Donner, Allan;
Giraudeau, Bruno;
(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. 3556-3575.
ISSN 0277-6715
DOI: https://doi.org/10.1002/sim.6185
Full text not available from this repository.
2013
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. 3357-3372.
ISSN 0277-6715
DOI: https://doi.org/10.1002/sim.5795
Full text not available from this repository.
2012
Caille, Agnès;
Leyrat, Clémence;
Giraudeau, Bruno;
(2012)
Dichotomizing a continuous outcome in cluster randomized trials: impact on power.
Statistics in medicine, 31 (24).
pp. 2822-2832.
ISSN 0277-6715
DOI: https://doi.org/10.1002/sim.5409
Full text not available from this repository.
2011
Giraudeau, Bruno;
Leyrat, Clémence;
Le Gouge, Amélie;
Léger, Julie;
Caille, Agnès;
(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