Overview
Background
A/Prof Mark D. Chatfield is a highly experienced statistician and clinical trialist working at the UQ Clinical Trials Centre.
In collaboration with health and medical researchers, he has published >200 times in academic journals. He has been an investigator on 27 NHMRC/MRFF funded (>$50M) studies (mostly clinical trials). He has co-supervised 5 PhD students to completion, and is currently an advisor to 4 PhD students. He has over 20 years of experience as a biostatistician in Australia (Brisbane | Darwin | Sydney) and the UK (Cambridge, 2002-2009).
He plays an active role in the Australian Clinical Trials Alliance Statistics in Trials Interest Group.
Stata users around the world enjoy using his table1_mc command.
He is an Honorary Fellow (Associate Professor) with Menzies School of Health Research.
Availability
- Mr Mark Chatfield is:
- Available for supervision
Fields of research
Qualifications
- Bachelor of Arts, University of Oxford
- Masters (Coursework), University of Southampton
- Masters (Coursework), University of Oxford
Research interests
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Ready interpretation of log-scale ouput
Symmetric percentage differences such as 100(A – B)/0.5(A + B)% or 100(lnA – lnB)%, Bland-Altman plots, and the summarising, modelling and plotting of lognormal data.
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Randomised Controlled Trials (RCTs)
Mark has been involved with a plethora of trials of various designs in a broad range of fields. He makes considered, significant contributions to funding applications, trial design, analysis, presentation and interpretation. To date, he has published on 38 randomised trials (protocol and/or results paper). He is involved with methodological research into cluster randomised trials as well as sample size calculations and the anticipated width of 95% confidence intervals.
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Meta analysis
Mark has been involved with a variety of meta-analyses. He has found a novel way to interpret the heterogeneity parameter, tau, in random-effects meta-analysis (or network meta-analysis) of various ratios (e.g. odds ratio, ratio of means etc). In general, he advocates for the reporting of tau (not tau^2) as it is far easier to understand.
Works
Search Professor Mark Chatfield’s works on UQ eSpace
Featured
2023
Journal Article
blandaltman: a command to create variants of Bland–Altman plots
Chatfield, Mark D., Cole, Tim J., de Vet, Henrica C. W., Marquart-Wilson, Louise and Farewell, Daniel M. (2023). blandaltman: a command to create variants of Bland–Altman plots. The Stata Journal, 23 (3), 851-874. doi: 10.1177/1536867x231196488
Featured
2021
Journal Article
Understanding between-cluster variation in prevalence and limits for how much variation is plausible
Chatfield, Mark D. and Farewell, Daniel M. (2021). Understanding between-cluster variation in prevalence and limits for how much variation is plausible. Statistical Methods in Medical Research, 30 (1), 286-298. doi: 10.1177/0962280220951831
Featured
2020
Journal Article
Is the R coefficient of interest in cluster randomized trials with a binary outcome?
Chatfield, Mark D. and Farewell, Daniel M. (2020). Is the R coefficient of interest in cluster randomized trials with a binary outcome?. Statistical Methods in Medical Research, 29 (6), 1763-1764. doi: 10.1177/0962280220912783
2024
Journal Article
Benchmarking for healthy food stores: protocol for a randomised controlled trial with remote Aboriginal and Torres Strait Islander communities in Australia to enhance adoption of health-enabling store policy and practice
Brimblecombe, Julie, Ferguson, Megan, McMahon, Emma, Fredericks, Bronwyn, Turner, Nicole, Pollard, Christina, Maple-Brown, Louise, Batstone, Joanna, McCarthy, Leisa, Miles, Eddie, De Silva, Khia, Barnes, Adam, Chatfield, Mark, Hill, Amanda, Christian, Meaghan, van Burgel, Emma, Fairweather, Molly, Murison, Anna, Lukose, Dickson, Gaikwad, Surekha, Lewis, Meron, Clancy, Rebekah, Santos, Claire, Uhlmann, Kora, Funston, Sarah, Baddeley, Laura, Tsekouras, Sally, Ananthapavan, Jaithri, Sacks, Gary and Lee, Amanda (2024). Benchmarking for healthy food stores: protocol for a randomised controlled trial with remote Aboriginal and Torres Strait Islander communities in Australia to enhance adoption of health-enabling store policy and practice. BMC Public Health, 24 (1) 1790. doi: 10.1186/s12889-024-19277-0
2024
Journal Article
Integrating omics techniques and culture-independent systems may improve the detection of persistent candidemia: data from an observational study
Peri, Anna Maria, O’Callaghan, Kevin, Rafiei, Nastaran, Bergh, Haakon, Tabah, Alexis, Chatfield, Mark D, Harris, Patrick NA and Paterson, David L (2024). Integrating omics techniques and culture-independent systems may improve the detection of persistent candidemia: data from an observational study. Annals of Clinical Microbiology and Antimicrobials, 23 (1) 75. doi: 10.1186/s12941-024-00736-w
2024
Journal Article
Rapid diagnostic tests and antimicrobial stewardship programs for the management of bloodstream infection: What is their relative contribution to improving clinical outcomes? A systematic review and network meta-analysis
Peri, Anna Maria, Chatfield, Mark D., Ling, Weiping, Furuya-Kanamori, Luis, Harris, Patrick N. A. and Paterson, David L. (2024). Rapid diagnostic tests and antimicrobial stewardship programs for the management of bloodstream infection: What is their relative contribution to improving clinical outcomes? A systematic review and network meta-analysis. Clinical Infectious Diseases, 79 (2), 502-515. doi: 10.1093/cid/ciae234
2024
Journal Article
Sensitivity and specificity of the Neonatal Visual Assessment to predict motor and cognitive outcomes in infants born very preterm
Blazek, Jessica W., Colditz, Paul B., Guzzetta, Andrea, Ware, Robert S., Chatfield, Mark D., Hough, Judith L., Boyd, Roslyn N. and George, Joanne M. (2024). Sensitivity and specificity of the Neonatal Visual Assessment to predict motor and cognitive outcomes in infants born very preterm. Early Human Development, 195 106068, 1-9. doi: 10.1016/j.earlhumdev.2024.106068
2024
Journal Article
Can capillary microsampling facilitate a clinical pharmacokinetics study of cefazolin in critically ill children?
Dorofaeff, Tavey, Valero, Yarmarly Guerra, Coulthard, Mark G, Wallis, Steven C, Chatfield, Mark D, Lister, Paula, Lipman, Jeffrey, Roberts, Jason A and Parker, Suzanne L (2024). Can capillary microsampling facilitate a clinical pharmacokinetics study of cefazolin in critically ill children?. Bioanalysis, ahead-of-print (ahead-of-print), 1-9. doi: 10.1080/17576180.2024.2377912
2024
Conference Publication
Efficacy of upper limb therapies for children with cerebral palsy: Systematic review and network meta-analysis
Burgess, A., Chatfield, M., Jackman, M., Thorley, M., Reedman, S., Boyd, R. and Sakzewski, L. (2024). Efficacy of upper limb therapies for children with cerebral palsy: Systematic review and network meta-analysis. 12th AusACPDM Biennial Conference, Cairns, QLD Australia, 31 July - 3 August 2024. Chichester, West Sussex United Kingdom: Wiley-Blackwell.
2024
Journal Article
The genomic epidemiology of clinical Burkholderia pseudomallei isolates in North Queensland, Australia
Gassiep, Ian, Chatfield, Mark D., Permana, Budi, Burnard, Delaney, Bauer, Michelle J., Cuddihy, Thom, Forde, Brian M., Mayer-Coverdale, Johanna, Norton, Robert E. and Harris, Patrick N. A. (2024). The genomic epidemiology of clinical Burkholderia pseudomallei isolates in North Queensland, Australia. Pathogens, 13 (7) 584. doi: 10.3390/pathogens13070584
2024
Journal Article
Characterization of gram-negative bloodstream infections in hospitalised Australian children and their clinical outcomes
Wen, Sophie C.H., Harris, Patrick N. A., Forde, Brian, Permana, Budi, Chatfield, Mark D., Lau, Colleen L., Spurling, Geoffrey, Bauer, Michelle J., Balch, Ross, Chambers, Henry, Schlapbach, Luregn J., Clark, Julia E., Dougherty, Sonia, Blyth, Christopher C., Britton, Philip N., Clifford, Vanessa, Haeusler, Gabrielle M., McMullan, Brendan, Wadia, Ushma, Paterson, David L., Irwin, Adam D., on behalf of the PAEDS network, Carr, Jeremy, Vasilunas, Nan, Francis, Joshua R., Macartney, Kristine, Crawford, Nigel W., Wood, Nicholas, Buttery, Jim ... Glover, Catherine (2024). Characterization of gram-negative bloodstream infections in hospitalised Australian children and their clinical outcomes. Clinical Infectious Diseases, 79 (3), 734-743. doi: 10.1093/cid/ciae341
2024
Journal Article
Patient outcome quality indicators for older persons in acute care: original development data using interRAI AC-CGA
Martin-Khan, Melinda G., Gray, Leonard C., Brand, Caroline, Wright, Olivia, Pachana, Nancy A., Byrne, Gerard J., Chatfield, Mark D., Jones, Richard, Morris, John, Travers, Catherine, Tropea, Joanne, Xiong, Beibei, Research Collaborative for Quality Care: Acute Care Panel and Research Collaborative for Quality Care: Dementia Care Panel (2024). Patient outcome quality indicators for older persons in acute care: original development data using interRAI AC-CGA. BMC Geriatrics, 24 (1) 527, 1-13. doi: 10.1186/s12877-024-04980-9
2024
Conference Publication
Enhancing utility of neuropsychological evaluation for earlier and effective diagnosis of dementia in Parkinson’s disease: PDCogniCare project
Au, T., Bailey, D., Beattie, E., Brooks, D., Broome, A., Byrne, G., Chatfield, M., Dissanayaka, N., Keramat, S.A., Lehn, A., Liddle, J., Marsh, R., Mitchell, L., Naismith, S., Nestor, S., O’Sullivan, J., Pachana, N., Pourzinal, D., Robertson, S., Shrubsole, K., Sivakumaran, K., Spooner, D., Tinson, H., Verreynne, M.L., Worthy, P. and Yang, J. (2024). Enhancing utility of neuropsychological evaluation for earlier and effective diagnosis of dementia in Parkinson’s disease: PDCogniCare project. Australian Dementia Research Forum 2024, Gold Coast, QLD Australia, 3-5 June 2024.
2024
Journal Article
Hearing loss in Australian First Nations children at 6-monthly assessments from age 12 to 36 months: Secondary outcomes from randomised controlled trials of novel pneumococcal conjugate vaccine schedules
Leach, Amanda Jane, Wilson, Nicole, Arrowsmith, Beth, Beissbarth, Jemima, Mulholland, Kim, Santosham, Mathuram, Torzillo, Paul John, McIntyre, Peter, Smith-Vaughan, Heidi, Skull, Sue A., Oguoma, Victor M., Chatfield, Mark D., Lehmann, Deborah, Brennan-Jones, Christopher G., Binks, Michael J., Licciardi, Paul V., Andrews, Ross M., Snelling, Tom, Krause, Vicki, Carapetis, Jonathan, Chang, Anne B. and Morris, Peter Stanley (2024). Hearing loss in Australian First Nations children at 6-monthly assessments from age 12 to 36 months: Secondary outcomes from randomised controlled trials of novel pneumococcal conjugate vaccine schedules. PLOS Medicine, 21 (6) e1004375, e1004375. doi: 10.1371/journal.pmed.1004375
2024
Conference Publication
Technology assisted and remotely delivered anxiety psychotherapy intervention for people living with dementia and their care partners: Tech-CBT project
Au, T., Beattie, E., Bennett, S., Brooks, D., Broome, A., Byrne, G., Chatfield, M., Comans, T., Dissanayaka, N., Guy, R., Keramat, S.A., King, T., Lehn, A., Liddle, J., Mitchell, L., Oram, J., O’Sullivan, J., Pacas Fronza, G., Pachana, N., Pietsch, A., Tan, J., Welsh, K. and Worthy, P. (2024). Technology assisted and remotely delivered anxiety psychotherapy intervention for people living with dementia and their care partners: Tech-CBT project. Australian Dementia Research Forum 2024, Gold Coast, QLD Australia, 3-5 June 2024.
2024
Journal Article
The effects of vibrating shoe insoles on standing balance, walking, and ankle-foot muscle activity in adults with diabetic peripheral neuropathy
Hatton, Anna L., Chatfield, Mark D., Cattagni, Thomas and Vicenzino, Bill (2024). The effects of vibrating shoe insoles on standing balance, walking, and ankle-foot muscle activity in adults with diabetic peripheral neuropathy. Gait and Posture, 111, 8-13. doi: 10.1016/j.gaitpost.2024.04.008
2024
Journal Article
The effects of wearing textured versus smooth shoe insoles for 4-weeks in people with diabetic peripheral neuropathy: a randomised controlled trial
Hatton, Anna L., Chatfield, Mark D., Gane, Elise M., Maharaj, Jayishni N., Cattagni, Thomas, Burns, Joshua, Paton, Joanne, Rome, Keith and Kerr, Graham (2024). The effects of wearing textured versus smooth shoe insoles for 4-weeks in people with diabetic peripheral neuropathy: a randomised controlled trial. Disability and Rehabilitation, 1-11. doi: 10.1080/09638288.2024.2360658
2024
Conference Publication
Efficacy of upper limb therapies for children with cerebral palsy: systematic review and network meta-analysis.
Burgess, A., Chatfield, M., Jackman, M., Thorley, M., Reedman, S., Patel, M., Boyd, R.N. and Sakzewski, L. (2024). Efficacy of upper limb therapies for children with cerebral palsy: systematic review and network meta-analysis.. European Academy of Childhood Disabilty, Bruges, Belgium, 29 May-1 June 2024. Chichester, West Sussex, United Kingdom: Wiley-Blackwell.
2024
Journal Article
Which reference equation should we use for interpreting spirometry values for First Nations Australians? A cross‐sectional study
Collaro, Andrew J., Foong, Rachel, Chang, Anne B., Marchant, Julie M., Blake, Tamara L., Cole, Johanna F., Pearson, Glenn, Hii, Rebecca, Brown, Henry, Chatfield, Mark D., Hall, Graham and McElrea, Margaret S. (2024). Which reference equation should we use for interpreting spirometry values for First Nations Australians? A cross‐sectional study. Medical Journal of Australia, 220 (10), 523-529. doi: 10.5694/mja2.52306
2024
Journal Article
Erdosteine in children and adults with bronchiectasis (BETTER trial): study protocol for a multicentre, double-blind, randomised controlled trial
Chang, Anne B., Yerkovich, Stephanie T., Baines, Katherine J., Burr, Lucy, Champion, Anita, Chatfield, Mark D., Eg, Kah P, Goyal, Vikas, Marsh, Robyn L, McCallum, Gabrielle B, McElrea, Margaret, McPhail, Steven, Morgan, Lucy C, Morris, Peter S, Nathan, Anne M, O’Farrell, Hannah, Sanchez, Marion O, Parsons, Marianne, Schultz, André, Torzillo, Paul J, West, Nicholas P, Versteegh, Lesley, Marchant, Julie M and Grimwood, Keith (2024). Erdosteine in children and adults with bronchiectasis (BETTER trial): study protocol for a multicentre, double-blind, randomised controlled trial. BMJ Open Respiratory Research, 11 (1) e002216, e002216. doi: 10.1136/bmjresp-2023-002216
Funding
Current funding
Past funding
Supervision
Availability
- Mr Mark Chatfield is:
- Available for supervision
Before you email them, read our advice on how to contact a supervisor.
Available projects
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Statistical advisor (but NOT primary supervisor)
I am available to be a statistical advisor, but am not available to be a primary supervisor.
Supervision history
Current supervision
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Doctor Philosophy
Novel trial design in evaluation of antibiotics.
Associate Advisor
Other advisors: Dr Patrick Harris
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Doctor Philosophy
Gram-negative bloodstream infections in Australian children
Associate Advisor
Other advisors: Dr Geoff Spurling, Professor Colleen Lau, Associate Professor Adam Irwin
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Doctor Philosophy
Burkholderia pseudomallei: towards rapid diagnosis and management
Associate Advisor
Other advisors: Dr Patrick Harris
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Doctor Philosophy
Exploring the use of causal inference in infectious disease epidemiology
Associate Advisor
Other advisors: Professor Tracy Comans, Professor Lisa Hall
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Doctor Philosophy
Randomised controlled trial of ceftolozane-tazobactam vs meropenem for bloodstream infections
Associate Advisor
Other advisors: Dr Patrick Harris, Dr Brian Forde
Completed supervision
Media
Enquiries
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