faculty photo

Michael O. Harhay, PhD

Assistant Professor of Biostatistics and Epidemiology
Department: Biostatistics and Epidemiology

Contact information
304 Blockley Hall
Philadelphia, PA 19104
B.S. (Neuroscience and Philosophy)
Muhlenberg College, 2005.
M.Be (Bioethics)
University of Pennsylvania , 2006.
M.P.H. (Global Health)
University of Pennsylvania , 2009.
M.A. (Demography)
University of Pennsylvania , 2010.
M.A. (Statistics)
University of Pennsylvania, 2015.
Ph.D. (Epidemiology)
University of Pennsylvania, 2016.
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Selected Publications

Kahan BC, Li F, Copas AJ, Harhay MO: Estimands in cluster-randomized trials: choosing analyses that answer the right question. International Journal of Epidemiology 2022.

Harhay MO, Blette BS, Granholm A, Moler FW, Zampieri FG, Goligher EC, Gardner MM, Topjian AA, Yehya N: A Bayesian interpretation of a pediatric cardiac arrest trial (THAPCA-OH). NEJM Evidence 2(1): e1-12, Jan 2023 Notes: https://doi.org/10.1056/evidoa2200196.

Harhay MO, Cherikh WS, Toll AE, Christie JD, Stehlik J, Chambers D, Hayes D Jr, Cantu E: Epidemiology, risk factors, and outcomes of lung retransplantation: An analysis of the International Society for Heart and Lung Transplantation Thoracic Transplant Registry. Journal of Heart and Lung Transplantation 41(10): 1478-1486, Oct 2022.

Yehya N, Harhay MO: Severity of hypoxemia may explain indeterminate results in pediatric trials of inhaled nitric oxide. Intensive Care Medicine 47(8): 913-915, Aug 2021.

Legrand M, Bagshaw SM, Koyner JL, Schulman IH, Mathis MR, Bernholz J, Coca S, Gallagher M, Gaudry S, Liu KD, Mehta RL, Pirracchio R, Ryan A, Steubl D, Stockbridge N, Erlandsson F, Turan A, Wilson FP, Zarbock A, Bokoch MP, Casey JD, Rossignol P, Harhay MO: Optimizing the design and analysis of future AKI trials. Journal of the American Society of Nephrology 33(8): 1459-1470, Aug 2022.

Zampieri FG, Casey JD, Shankar-Hari M, Harrell FE Jr, Harhay MO: Using Bayesian methods to augment the interpretation of critical care trials. an overview of theory and example reanalysis of the Alveolar Recruitment for Acute Respiratory Distress Syndrome Trial. American Journal of Respiratory and Critical Care Medicine 203(5): 543-552, Mar 2021.

Wang W, Small DS, Harhay MO: Semiparametric estimation of the attributable fraction when there are interactions under monotonicity constraints. BMC Medical Research Methodology 20(1): 236, Sep 2020 Notes: doi: 10.1186/s12874-020-01118-4.

Kim J, Troxel AB, Halpern SD, Volpp KG, Kahan BC, Morris TP, Harhay MO: Analysis of multicenter clinical trials with very low event rates. Trials 21(1): 917. doi: 10.1186/s13063-020-04801-5, Nov 2020.

Haines KJ, Hibbert E, McPeake J, Anderson BJ, Bienvenu OJ, Andrews A, Brummel NE, Ferrante LE, Hopkins RO, Hough CL, Jackson J, Mikkelsen ME, Leggett N, Montgomery-Yates A, Needham DM, Sevin CM, Skidmore B, Still M, van Smeden M, Collins GS, Harhay MO.: Prediction models for physical, cognitive, and mental health impairments after critical illness: a systematic review and critical appraisal. Critical Care Medicine 48(12): 1871-1880, Dec 2020 Notes: doi: 10.1097/CCM.0000000000004659.

Harhay MO, Casey JD, Clement M, Collins SP, Gayat É, Gong MN, Jaber S, Laterre PF, Marshall JC, Matthay MA, Monroe RE, Rice TW, Rubin E, Self WH, Mebazaa A: Contemporary strategies to improve clinical trial design for critical care research: insights from the First Critical Care Clinical Trialists Workshop. Intensive Care Medicine 46(5): 930-942, May 2020.

Harhay MO, Donaldson GC: Guidance on statistical reporting to help improve your chances of a favorable statistical review. American Journal of Respiratory and Critical Care Medicine 201(9): 1035-1038, May 2020.

Harhay MO, Ratcliffe SJ, Small DS, Suttner LH, Crowther MJ, Halpern SD: Measuring and analyzing length of stay in critical care trials. Medical Care 57(9): e53–e59, Sep 2019.

Harhay MO, Porcher R, Thabut G, Crowther MJ, DiSanto T, Rubin S, Penfil Z, Bing Z, Christie JD, Diamond JM, Cantu E: Donor lung sequence number and survival after lung transplantation in the United States. Annals of the American Thoracic Society 16(3): 313-320, Mar 2019.

Halpern SD, Harhay MO, Saulsgiver K, Brophy C, Troxel AB, Volpp KG: A pragmatic trial of e-cigarettes, incentives, and drugs for smoking cessation. New England Journal of Medicine 378(24): 2302-2310, Jun 2018.

Harhay MO, Fawzi MCS, Jeanneret S, Ndayisaba D, Kibaalya W, Harrison EA, Small DS: An assessment of the Francois-Xavier Bagnoud poverty alleviation program in Rwanda and Uganda. International Journal of Public Health 62(2): 241-252, Mar 2017.

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Last updated: 03/08/2023
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