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Employment (1)

University of Bern: Bern, CH

2016 to present | Statistician (Institute of Social and Preventive Medicine)
Employment
Source: Self-asserted source
Yann Ruffieux

Education and qualifications (1)

École Polytechnique Fédérale de Lausanne: Lausanne, CH

2005 | MSc in Mathematical Engineering
Education
Source: Self-asserted source
Yann Ruffieux

Works (24)

Patterns of incident Burkitt lymphoma during the HIV epidemic among the Black African and White population in South Africa.

University of Bern
2025-01-14 | Journal article
DOI: 10.48620/85143
Contributors: Carole Metekoua; Yann Ruffieux; Judith Mwansa-Kambafwile; Patricia Kellett; Matthias Egger; Mazvita Muchengeti; Eliane Rohner; Tracey Wiggill
Source: check_circle
DataCite

Human Immunodeficiency Virus-1 Viremia and Cancer Risk in 2.8 Million People: The South African HIV Cancer Match Study

Clinical Infectious Diseases
2024-12-30 | Journal article
DOI: 10.1093/cid/ciae652
Contributors: Yann Ruffieux; Judith Mwansa-Kambafwile; Carole Metekoua; Tinashe Tombe-Nyahuma; Julia Bohlius; Mazvita Muchengeti; Matthias Egger; Eliane Rohner
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Crossref

Courier delivery of antiretroviral therapy: a cohort study of a South African private‐sector HIV programme

Journal of the International AIDS Society
2024-09 | Journal article
DOI: 10.1002/jia2.26360
Contributors: Yann Ruffieux; Naomi Folb; Anna Grimsrud; Michael Hislop; Liezl Dunn; Eliane Rohner; Anne Maria Namubiru; Chido Chinogurei; Morna Cornell; Mary‐Ann Davies et al.
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Crossref

Prostate Cancer Diagnosis Rates among Insured Men with and without HIV in South Africa: A Cohort Study

Cancer Epidemiology, Biomarkers & Prevention
2024-08-01 | Journal article
DOI: 10.1158/1055-9965.EPI-24-0137
Contributors: Yann Ruffieux; Nathalie V. Fernández Villalobos; Christiane Didden; Andreas D. Haas; Chido Chinogurei; Morna Cornell; Matthias Egger; Gary Maartens; Naomi Folb; Eliane Rohner
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Crossref

Cervical precancer and cancer incidence among insured women with and without HIV in South Africa

International Journal of Cancer
2024-01-15 | Journal article
DOI: 10.1002/ijc.34707
Contributors: Nathalie Verónica Fernández Villalobos; Yann Ruffieux; Andreas D. Haas; Chido Chinogurei; Morna Cornell; Katayoun Taghavi; Matthias Egger; Naomi Folb; Gary Maartens; Eliane Rohner
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Crossref

Decreasing incidence of conjunctival squamous cell carcinoma in people with HIV in South Africa

JNCI: Journal of the National Cancer Institute
2023-10-09 | Journal article
DOI: 10.1093/jnci/djad119
Contributors: Carole Metekoua; Yann Ruffieux; Victor Olago; Tafadzwa Dhokotera; Matthias Egger; Julia Bohlius; Eliane Rohner; Mazvita Muchengeti
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Crossref

Life years lost associated with mental illness: A cohort study of beneficiaries of a South African medical insurance scheme.

Journal of affective disorders
2023-08-06 | Journal article
DOI: 10.1016/j.jad.2023.08.013
PMID: 37544483
Contributors: Ruffieux Y; Wettstein A; Maartens G; Folb N; Mesa-Vieira C; Didden C; Tlali M; Williams C; Cornell M; Schomaker M et al.
Source: Self-asserted source
Yann Ruffieux

Mental Health, ART Adherence, and Viral Suppression Among Adolescents and Adults Living with HIV in South Africa: A Cohort Study.

AIDS and behavior
2023-01-02 | Journal article
DOI: 10.1007/s10461-022-03916-x
PMID: 36592251
PMC: PMC10149479
Contributors: Andreas D. Haas; Lienhard R; Didden C; Cornell M; Folb N; Boshomane TMG; Luisa Salazar-Vizcaya; Ruffieux Y; Nyakato P; Wettstein AE et al.
Source: Self-asserted source
Yann Ruffieux

Age and cancer incidence in 5.2 million people with HIV: the South African HIV Cancer Match study.

Clinical infectious diseases : an official publication of the Infectious Diseases Society of America
2022-12-03 | Journal article
DOI: 10.1093/cid/ciac925
PMID: 36461916
Contributors: Ruffieux Y; Muchengeti M; Olago V; Dhokotera T; Bohlius J; Egger M; Rohner E
Source: Self-asserted source
Yann Ruffieux

Diagnosis and treatment of opioid-related disorders in a South African private sector medical insurance scheme: A cohort study

International Journal of Drug Policy
2022-11 | Journal article
DOI: 10.1016/j.drugpo.2022.103853
Contributors: Mpho Tlali; Andrew Scheibe; Yann Ruffieux; Morna Cornell; Anja E Wettstein; Matthias Egger; Mary-Ann Davies; Gary Maartens; Leigh F Johnson; Andreas D Haas
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Crossref

Cancer treatment and survival among cervical cancer patients living with or without HIV in South Africa.

Gynecologic oncology reports
2022-09-21 | Journal article
DOI: 10.1016/j.gore.2022.101069
PMID: 36185101
PMC: PMC9516451
Contributors: Turdo YQ; Ruffieux Y; Boshomane TMG; Johannes Mouton; Taghavi K; Andreas D. Haas; Egger M; Gary Maartens; Eliane Rohner
Source: Self-asserted source
Yann Ruffieux

Combining individual patient data from randomized and non-randomized studies to predict real-world effectiveness of interventions

Statistical Methods in Medical Research
2022-07 | Journal article
DOI: 10.1177/09622802221090759
Contributors: Michael Seo; Thomas PA Debray; Yann Ruffieux; Sandro Gsteiger; Sylwia Bujkiewicz; Axel Finckh; Matthias Egger; Orestis Efthimiou
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Crossref

Cohort profile: the South African HIV Cancer Match (SAM) Study, a national population-based cohort

BMJ Open
2022-04 | Journal article
DOI: 10.1136/bmjopen-2021-053460
Contributors: Mazvita Muchengeti; Lina Bartels; Victor Olago; Tafadzwa Dhokotera; Wenlong Carl Chen; Adrian Spoerri; Eliane Rohner; Lukas Bütikofer; Yann Ruffieux; Elvira Singh et al.
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Crossref

The treatment gap for mental disorders in adults enrolled in HIV treatment programmes in South Africa: a cohort study using linked electronic health records

Epidemiology and Psychiatric Sciences
2021 | Journal article
DOI: 10.1017/S2045796021000196
Contributors: Y. Ruffieux; O. Efthimiou; L. L. Van den Heuvel; J. A. Joska; M. Cornell; S. Seedat; J. P. Mouton; H. Prozesky; C. Lund; N. Maxwell et al.
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Crossref

Cancer risk in adolescents and young adults living with HIV in South Africa: a nationwide cohort study.

The lancet. HIV
2021-09-09 | Journal article | Author
DOI: 10.1016/s2352-3018(21)00158-2
PMID: 34509198
PMC: PMC8491099
Contributors: Yann Ruffieux; Dhokotera T; Muchengeti M; Bartels L; Victor Olago; Julia Bohlius; Elvira Singh; Egger M; Eliane Rohner
Source: Self-asserted source
Yann Ruffieux

Immunodeficiency and Cancer in 3.5 Million People Living With Human Immunodeficiency Virus (HIV): The South African HIV Cancer Match Study.

Clinical infectious diseases : an official publication of the Infectious Diseases Society of America
2021-08-01 | Journal article | Author
DOI: 10.1093/cid/ciab087
PMID: 33530095
PMC: PMC8326558
Contributors: Yann Ruffieux; Muchengeti M; Egger M; Orestis Efthimiou; Bartels L; Victor Olago; Maša Davidović; Dhokotera T; Julia Bohlius; Elvira Singh et al.
Source: Self-asserted source
Yann Ruffieux

Excess mortality associated with mental illness in people living with HIV in Cape Town, South Africa: a cohort study using linked electronic health records.

The Lancet. Global health
2020-10-01 | Journal article | Author
DOI: 10.1016/s2214-109x(20)30279-5
PMID: 32971055
PMC: PMC7582785
Contributors: Andreas D. Haas; Yann Ruffieux; Leigh Luella van den Heuvel; Crick Lund; Boulle A; Euvrard J; Orrell C; Hans Prozesky; Nicki Tiffin; Lovero KL et al.
Source: Self-asserted source
Yann Ruffieux

Non-AIDS defining malignancies in the combination ART era: immunological and socio-behavioral risk factors [version 1; peer review: 2 approved with reservations]

2019-08-09 | Journal article
DOI: 10.12688/f1000research.19585.1
Part of ISSN: 2046-1402
Contributors: Yann Ruffieux; Frédérique Chammartin; Anita Feller; Kurt Schmidlin; Sabine Rohrmann; Katharina Staehelin; Christine Bouchardy; Heiner C. Bucher; Barbara Hasse; Matthias Cavassini et al.
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F1000
grade
Preferred source (of 2)‎

Mortality from suicide among people living with HIV and the general Swiss population: 1988-2017.

Journal of the International AIDS Society
2019-08-01 | Journal article | Author
DOI: 10.1002/jia2.25339
PMID: 31423727
PMC: PMC6698675
Contributors: Yann Ruffieux; Liis Lemsalu; Aebi-Popp K; Alexandra Calmy; matthias cavassini; Fux CA; Huldrych Günthard; Catia Marzolini; Scherrer A; Vernazza P et al.
Source: Self-asserted source
Yann Ruffieux

Prediction of Real-World Drug Effectiveness Prelaunch: Case Study in Rheumatoid Arthritis.

Medical decision making : an international journal of the Society for Medical Decision Making
2018-08-01 | Journal article | Author
DOI: 10.1177/0272989x18775975
PMID: 30074882
Contributors: Didden EM; Yann Ruffieux; Hummel N; Orestis Efthimiou; Reichenbach S; Gsteiger S; Axel Finckh; Fletcher C; Georgia Salanti; Matthias Egger et al.
Source: Self-asserted source
Yann Ruffieux

lapmix

Bioconductor
2017 | Other
DOI: 10.18129/b9.bioc.lapmix
Contributors: Contributions From Debjani Bhowmick Yann Ruffieux
Source: check_circle
DataCite

Methodological guidance, recommendations and illustrative case studies for (network) meta-analysis and modelling to predict real-world effectiveness using individual participant and/or aggregate data

IMI GetReal
2017 | Report
DOI: 10.13140/rg.2.2.36349.36327
Contributors: Thomas P A Debray; Noemi Hummel; Eva-Maria Didden; Orestis Efthimiou; Matthias Egger; Christine Fletcher; Karel Moons; Hans Reitsma; Yann Ruffieux; Georgia Salanti et al.
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DataCite

Alignment of Multiple Configurations Using Hierarchical Models

Journal of Computational and Graphical Statistics
2009-01 | Journal article
DOI: 10.1198/jcgs.2009.07048
Part of ISSN: 1061-8600
Part of ISSN: 1537-2715
Source: Self-asserted source
Yann Ruffieux

A Laplace mixture model for identification of differential expression in microarray experiments

Biostatistics
2006-02-16 | Journal article
DOI: 10.1093/biostatistics/kxj032
Part of ISSN: 1465-4644
Part of ISSN: 1468-4357
Source: Self-asserted source
Yann Ruffieux
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