John Petkau, University of British Columbia

Research

Read how they describe their research on their University of British Columbia profile.

Latest papers

Development of an asthma policy model for Canada: Lifetime Exposures and Asthma outcomes Projection
PLoS ONE · 2026
Nonparametric Assessment of the Calibration of Individualized Treatment Effects.
Statistics in medicine · 2026 · senior author
Multistate modeling in long-term follow-up studies, with application to a multiple sclerosis cohort.
Journal of clinical epidemiology · 2025

All 29 publications

Latest funding

Statistical design and analysis methodology for clinical trials
NSERC · 2009 · Principal investigator
$75,000
Statistical design and methodology for health applications
NSERC · 2004 · Principal investigator
$125,000
Statistical methodology and design for clinical applications
NSERC · 2000 · Principal investigator
$100,000

All 8 grants and awards

29 publications.

01

Development of an asthma policy model for Canada: Lifetime Exposures and Asthma outcomes Projection

Lee TY, Petkau J, Johnson KM, Turvey SE, Adibi A, Subbarao P, Hill A, Ewert M, Sadatsafavi M

PLoS ONE2026Open Access

DOI: 10.1371/journal.pone.0348878

02

Nonparametric Assessment of the Calibration of Individualized Treatment Effects.

Sadatsafavi M, Hoogland J, Debray TPA, Petkau J

Statistics in medicine2026Senior author

DOI: 10.1002/sim.70724 PMID: 42639845

03

Multistate modeling in long-term follow-up studies, with application to a multiple sclerosis cohort.

Kempf G, Ng HS, Petkau J, Tremlett H, Zhu F, Zhao Y

Journal of clinical epidemiology20251 citations

DOI: 10.1016/j.jclinepi.2025.111810 PMID: 40300675

04

Impact analysis of infant antibiotic exposure on the burden of asthma: a simulation modeling study.

Lee TY, Petkau J, Saatchi A, Marra F, Turvey SE, Lishman H, Patrick DM, Cragg JJ, Johnson KM, Sadatsafavi M

Frontiers in allergy20245 citationsOpen Access

DOI: 10.3389/falgy.2024.1491985 PMID: 39764437

05

Non-parametric inference on calibration of predicted risks.

Sadatsafavi M, Petkau J

Statistics in medicine20245 citationsSenior authorOpen Access

DOI: 10.1002/sim.10138 PMID: 38863133

06

A parametric model to jointly characterize rate, duration, and severity of exacerbations in episodic diseases.

Safari A, Petkau J, FitzGerald MJ, Sadatsafavi M

BMC medical informatics and decision making20231 citationsOpen Access

DOI: 10.1186/s12911-022-02080-5 PMID: 36635713

07

Recommendations for the use of propensity score methods in multiple sclerosis research

Gabrielle Simoneau, Fabio Pellegrini, Thomas P. A. Debray, Julie Rouette, Johanna Muñoz, Robert William Platt, John Petkau, Justin M. Bohn, Changyu Shen, Carl de Moor, Mohammad Ehsanul Karim

Multiple Sclerosis Journal202237 citationsOpen Access

DOI: 10.1177/13524585221085733 PMID: 35387508

08

Serum neurofilament light chain correlates with myelin and axonal magnetic resonance imaging markers in multiple sclerosis.

Yik JT, Becquart P, Gill J, Petkau J, Traboulsee A, Carruthers R, Kolind SH, Devonshire V, Sayao AL, Schabas A, Tam R, Moore GRW, Li DKB, Stukas S, Wellington C, Quandt JA, Vavasour IM, Laule C

Multiple sclerosis and related disorders202220 citations

DOI: 10.1016/j.msard.2021.103366 PMID: 35158472

09

16-year trends in asthma hospital admissions in Canada.

Lee TY, Petkau J, Mangat N, Safari A, Cragg JJ, Lynd LD, FitzGerald JM, Turvey SE, Sadatsafavi M

Annals of allergy, asthma & immunology : official publication of the American College of Allergy, Asthma, & Immunology202217 citationsOpen Access

DOI: 10.1016/j.anai.2022.06.022 PMID: 35779843

10

Long-Term Natural History of Severe Asthma Exacerbations and Their Impact on the Disease Course.

Lee TY, Petkau J, Sadatsafavi M

Annals of the American Thoracic Society2022

DOI: 10.1513/annalsats.202012-1562oc PMID: 34797732

Statistical design and analysis methodology for clinical trials

Principal investigatorNSERC2009Discovery Grants Program - Individual

Principal investigators: Petkau, John

$75,000

Statistical design and methodology for health applications

Principal investigatorNSERC2004Discovery Grants Program - Individual

Principal investigators: Petkau, John

$125,000

Statistical methodology and design for clinical applications

Principal investigatorNSERC2000Discovery Grants Program - Individual

Principal investigators: Petkau, John

$100,000

Computing system at the department of statistics at UBC

Co-investigatorNSERC1997Research Tools and Instruments - Category 1 (<$150,000)

Principal investigators: Meloche, Jean

$69,735

Sequential clinical experimentation and other applications

Principal investigatorNSERC1996Discovery Grants Program - Individual

Principal investigators: Petkau, John

$86,802

Sequential clinical experimentation and other applications

Principal investigatorNSERC1992Discovery Grants Program - Individual

Principal investigators: Petkau, John

$74,000

Sequential clinical experimentation and other applications

Principal investigatorNSERC1989Discovery Grants Program - Individual

Principal investigators: Petkau, John

$20,540

Statistical consulting and research laboratory

Co-investigatorNSERC1989Infrastructure Grants (H)

Principal investigators: Zidek, James

$31,874

From public funding decisions: CIHR since 2008, NSERC since 1991 and SSHRC since 1998 with their latest competition results, the Canada Foundation for Innovation, Genome Canada, the Canadian Space Agency, Canada Research Chairs, the Fonds de recherche du Québec, Ontario research funding, Michael Smith Health Research BC, the Canadian Cancer Society, Heart & Stroke and Brain Canada.

Frequent collaborators

Padmaja Subbarao and Stuart Turvey: 290 shared papers
Helen Tremlett and Ruth Marrie: 149 shared papers
Shannon Kolind and Roger Tam: 70 shared papers
Shannon Kolind and Cornelia Laule: 69 shared papers
Mohsen Sadatsafavi and Larry Lynd: 68 shared papers
Helen Tremlett and Charity Evans: 52 shared papers
Charity Evans and Ruth Marrie: 50 shared papers
Mohsen Sadatsafavi and Amin Adibi: 45 shared papers
Roger Tam and Cornelia Laule: 42 shared papers
Mohsen Sadatsafavi and Kate Johnson: 38 shared papers
Mohammad Karim and Paul Gustafson: 30 shared papers
Helen Tremlett and Mohammad Karim: 21 shared papers
Fawziah Lalji and Mohsen Sadatsafavi: 19 shared papers
Mohsen Sadatsafavi and Paul Gustafson: 18 shared papers
Helen Tremlett and Paul Gustafson: 16 shared papers
Robert Platt and Paul Gustafson: 16 shared papers
Robert Platt and Mohammad Karim: 15 shared papers
Kate Johnson and Amin Adibi: 15 shared papers
Helen Tremlett and John Petkau: 12 shared papers
Fawziah Lalji and Larry Lynd: 9 shared papers
Mohsen Sadatsafavi and Stuart Turvey: 9 shared papers
Larry Lynd and Shannon Kolind: 9 shared papers
Larry Lynd and Roger Tam: 9 shared papers
Paul Gustafson and John Petkau: 9 shared papers
Padmaja Subbarao and Mohsen Sadatsafavi: 8 shared papers
Mohsen Sadatsafavi and John Petkau: 8 shared papers
Charity Evans and Paul Gustafson: 8 shared papers
Mohammad Karim and Ruth Marrie: 8 shared papers
Jacquelyn Cragg and Fawziah Lalji: 7 shared papers
Jacquelyn Cragg and Larry Lynd: 7 shared papers
Jacqueline Quandt and Cornelia Laule: 7 shared papers
Mohammad Karim and John Petkau: 6 shared papers
Cheryl Wellington and Cornelia Laule: 5 shared papers
Larry Lynd and Kate Johnson: 5 shared papers
Jacqueline Quandt and Roger Tam: 5 shared papers
Padmaja Subbarao and Amin Adibi: 4 shared papers
Jacquelyn Cragg and Mohsen Sadatsafavi: 4 shared papers
Fawziah Lalji and Stuart Turvey: 4 shared papers
Mohsen Sadatsafavi and Robert Platt: 4 shared papers
Charity Evans and John Petkau: 4 shared papers
Shannon Kolind and Jacqueline Quandt: 4 shared papers
Cheryl Wellington and Jacqueline Quandt: 3 shared papers
Cheryl Wellington and Roger Tam: 3 shared papers
Stuart Turvey and John Petkau: 3 shared papers
Robert Platt and John Petkau: 3 shared papers
Ruth Marrie and John Petkau: 3 shared papers
Jacquelyn Cragg and John Petkau: 2 shared papers
Larry Lynd and John Petkau: 2 shared papers
Padmaja Subbarao and John Petkau: 1 shared paper
Cheryl Wellington and John Petkau: 1 shared paper
Fawziah Lalji and John Petkau: 1 shared paper
Shannon Kolind and John Petkau: 1 shared paper
Kate Johnson and John Petkau: 1 shared paper
Jacqueline Quandt and John Petkau: 1 shared paper
Roger Tam and John Petkau: 1 shared paper
Amin Adibi and John Petkau: 1 shared paper
Cornelia Laule and John Petkau: 1 shared paper

UBC Statistics
Medicine/Neurology
Department of Pathology and Laboratory Medicine
Pharmsci
School of Population and Public Health
Epidemiology, Biostatistics and Occupational Health
Department of Community Health and Epidemiology
Other

1 shared papers, latest 2026

Write to this professor

A short, specific email works best. This draft uses one of their recent papers; replace the parts in brackets with your own details before sending.

Applying for

Paper to mention

Subject: Prospective PhD student Dear Professor Petkau, My name is [your name], and I am a [your current degree or role] at [your institution]. I am applying for a PhD position starting in [term and year]. I read your paper "Development of an asthma policy model for Canada: Lifetime Exposures and Asthma outcomes Projection" (2026), and it connects closely to my own work on [your research topic]. [One or two sentences on what you did and what you learned.] Are you accepting new PhD students for [term and year]? I have attached my CV and transcripts, and I would be glad to talk at a time that suits you. Thank you for your time. Kind regards, [your name]