Laura E. Ichikawa, MS

“My research shows that evidence-based improvements in clinical care result in healthier patients—and make business sense.” 

Laura E. Ichikawa, MS

Senior Biostatistician, Kaiser Permanente Washington Health Research Institute


One of the Institute's most seasoned biostatisticians, Laura Ichikawa, MS, is known for devoting thorough attention to all aspects of study design and data management. She contributes not only her expert analytical skills, but also a unique awareness of the big picture.

Ms. Ichikawa's extensive experience includes observational studies, randomized controlled trials, case‑control studies, and multi-site analyses. Her research is primarily focused on breast cancer and bone health. She is a key member of the Statistical Coordinating Center for the National Cancer Institute's Breast Cancer Surveillance Consortium. She also participated in collaborative research through the HMO Cancer Research Network, including a publicized 2004 study linking not having screening mammograms to late-stage breast cancer. Ms. Ichikawa is excited to continue her work in breast cancer research, including screening, treatment, and survival.

Ms. Ichikawa's research with Kaiser Permanente Washington Health Research Institute (KPWHRI) Senior Investigator Delia Scholes, PhD, on links between the injectable hormonal contraceptive Depo-Provera and bone density loss, made news in 2002 and 2005. Her work on bone health with Scholes continues with a new study of bone density changes occurring in adolescent and young women using oral contraceptives.

Ms. Ichikawa enthusiastically mentors biostatistics students at the University of Washington. She is a member of the American Statistical Association (ASA) and its Puget Sound chapter.

Research interests and experience


Recent publications

Lee JM, Ichikawa L, Valencia E, Miglioretti DL, Wernli K, Buist DSM, Kerlikowske K, Henderson LM, Sprague BL, Onega T, Rauscher GH, Lehman CD. Performance benchmarks for screening breast MR imaging in community practice. Radiology. 2017 Oct;285(1):44-52. doi: 10.1148/radiol.2017162033. Epub 2017 Jun 5. PubMed

Miglioretti DL, Ichikawa L, Smith R, Buist DSM, Carney PA, Geller B, Monsees B, Onega T, Rosenberg R, Sickles EA, Yankaskas B, Kerlikowske K. Correlation between screening mammography interpretive performance on a test set and performance in clinical practice. Acad Radiol. 2017 Oct;24(10):1256-1264. doi: 10.1016/j.acra.2017.03.016. Epub 2017 May 24. PubMed

Scholes D, LaCroix AZ, Hubbard RA, Ichikawa LE, Spangler L, Operskalski BH, Gell N, Ott SM. Oral contraceptive use and fracture risk around the menopausal transition. Menopause.2016;23(2):166-74. PMC4731309. PubMed

Sherman ME, Ichikawa L, Pfeiffer RM, Miglioretti DL, Kerlikowske K, Tice J, Vacek PM, Gierach GL. Relationship of predicted risk of developing invasive breast cancer, as assessed with three models, and breast cancer mortality among breast cancer patients. PLoS One. 2016 Aug 25;11(8):e0160966. doi: 10.1371/journal.pone.0160966. eCollection 2016. PubMed


Latest News

KPWHRI shares in $17 million grant to improve breast screening

National Cancer Institute support continues nation's largest collection of breast imaging data and funds three studies to personalize screening.

Read it in News and Events