Stephen L. Hillis, PhD
Research Professor of Radiology-Perceptual Research
Current Positions
- Research Professor of Radiology - Perceptual Research
- Research Professor of Biostatistics
Education
- BA in Mathematics and Music, University of Iowa, Iowa City, Iowa, United States
- MFA in Music, University of Iowa, Iowa City, Iowa, United States
- MS in Statistics, University of Iowa, Iowa City, Iowa, United States
- PhD in Statistics, University of Iowa, Iowa City, Iowa, United States
- Fellow in Cardiovascular Center Institutional Research Fellowship, University of Iowa
- Fellow in Psychiatric Epidemiology/Biometry Research Fellowship, University of Iowa
Selected Publications
- Hillis SL, Soh BP. Obuchowski-Rockette analysis for multi-reader multi-case (MRMC) readers-nested-in-test study design with unequal numbers of readers. Proc SPIE Int Soc Opt Eng. 2023 Feb;12467:124670F. doi: 10.1117/12.2655190. Epub 2023 Apr 3. PMID: 37736244; PMCID: PMC10512791.
- Hillis SL. Relationship between Obuchowski-Rockette-Hillis and Gallas methods for analyzing multi-reader diagnostic imaging data with empirical AUC as the reader performance measure. Biostat Epidemiol. 2023;7(1):e2062115. doi: 10.1080/24709360.2022.2062115. Epub 2022 Jun 10. PMID: 37719421; PMCID: PMC10500550.
- Hillis SL. Roe and Metz identical-test simulation model for validating multi-reader methods of analysis for comparing different radiologic imaging modalities. J Med Imaging (Bellingham). 2023 Feb;10(Suppl 1):S11916. doi: 10.1117/1.JMI.10.S1.S11916. Epub 2023 Jul 5. PMID: 37416057; PMCID: PMC10321333.
- Shafique U, Hillis SL, Park JM, Kuehn DM, Rajput M. Radiologists Help Each Other to Improve Efficiency by Decreasing the Time to Look Up a Patient's Relevant Clinical History in the Electronic Medical Record. J Digit Imaging. 2023 Apr;36(2):388-394. doi: 10.1007/s10278-022-00726-4. Epub 2022 Nov 10. PMID: 36357753; PMCID: PMC10039210.
- Fajardo LL, Hillis SL, Zheng B, Wong MD, Ghani MU, Omoumi FH, Li Y, Jenkins P, Peterson ME, Wu X, Liu H. A Pilot Study to Assess the Performance of Phase-Sensitive Breast Tomosynthesis. Radiology. 2023 Feb;306(2):e213198. doi: 10.1148/radiol.213198. Epub 2022 Sep 27. PMID: 36165790; PMCID: PMC9885338.
- Smith BJ, Hillis SL. MATLAB toolbox for ROC analysis of multi-reader multi-case diagnostic imaging studies. Proc SPIE Int Soc Opt Eng. 2022 Feb-Mar;12035:120350G. doi: 10.1117/12.2610663. Epub 2022 Apr 4. PMID: 36159880; PMCID: PMC9504162.
- Hillis SL. Identical-test Roe and Metz simulation model for validating multi-reader methods of analysis for comparing different radiologic imaging modalities. Proc SPIE Int Soc Opt Eng. 2022 Feb-Mar;12035:120350E. doi: 10.1117/12.2612691. Epub 2022 Apr 4. PMID: 36159879; PMCID: PMC9497942.
- Gardner SE, Bae J, Ahmed BH, Abbott LI, Wolf JS, Hein M, Carter C, Hillis SL, Tandy LM, Rakel BA. A clinical tool to predict severe pain during wound dressing changes. Pain. 2022 Sep 1;163(9):1716-1727. doi:10.1097/j.pain.0000000000002553. Epub 2021 Dec 15. PMID: 35984382.
- Ghani MU, Fajardo LL, Omoumi F, Yan A, Jenkins P, Wong M, Li Y, Peterson ME, Callahan EJ, Hillis SL, Zheng B, Wu X, Liu H. A phase sensitive x-ray breast tomosynthesis system: Preliminary patient images with cancer lesions. Phys Med Biol. 2021 Oct 29;66(21):10.1088/1361-6560/ac2ea6. doi:10.1088/1361-6560/ac2ea6. PMID: 34633295; PMCID: PMC8635279.
- Ghani MU, Wu X, Fajardo LL, Jing Z, Wong MD, Zheng B, Omoumi F, Li Y, Yan A, Jenkins P, Hillis SL, Linstroth L, Liu H. Development and preclinical evaluation of a patient-specific high energy x-ray phase sensitive breast tomosynthesis system. Med Phys. 2021 May;48(5):2511-2520. doi:10.1002/mp.14743. Epub 2021 Apr 1. PMID: 33523479.