*: Co-first authorship; †: Student mentee as co-author


S.C. Lotspeich*, B.D. Richardson*, P.L. Baldoni, K.P. Enders, and M.G. Hudgens, "Quantifying the HIV reservoir with dilution assays and deep viral sequencing." [Paper][Software]

S.C. Lotspeich and T.P Garcia, "It's Integral: Replacing the trapezoidal rule to remove bias and correctly impute censored covariates with their conditional means." [Paper][Software]

K.G. Grosser†, S.C. Lotspeich, and T.P Garcia, "Mission imputable: Correcting for Berkson error when imputing a censored covariate." [Paper][Software]

M.S. Loop, S.C. Lotspeich, T.P. Garcia, and M.L. Meyer, "Should regression calibration or multiple imputation be used when calibrating different devices in a longitudinal study?" [Paper][Software]

G.G.C. Amorim, R. Tao, S.C. Lotspeich, P.A. Shaw, T. Lumley, R. Patel, and B.E. Shepherd, "Three-phase generalized raking and multiple imputation estimators to address error-prone routinely collected data." [Paper]

In Press

S.C. Lotspeich, G.G.C. Amorim, P.A. Shaw, R. Tao, and B.E. Shepherd, "Optimal multi-wave validation of secondary use data with outcome and exposure misclassification," Canadian Journal of Statistics, in press, 2022+. [Paper][Software]


S.C. Lotspeich, M.C. Ashner†, J.E. Vazquez†, B.D. Richardson†, K.F. Grosser†, B. Bodek†, and T.P. Garcia, "Making sense of censored covariates: Statistical methods for studies of neurodegenerative diseases,'' Annual Review of Statistics and Its Applications, vol. 11, no. 1, pp. 5.1-5.23, 2024. [Paper][Software]


R.M. Boyce, R. Ndizeye, H. Ngelese, E. Baguma, B. Shem, R.J. Rubinstein, E. Rockwell†, S.C. Lotspeich, B.E. Shook-Sa, M. Ntaro, D. Nyehangane, D.A. Wohl, M.J. Siedner, and E.M. Mulogo, "It takes more than a machine: A pilot feasibility study of health systems capacity building for point-of-care HIV-1 viral load testing in rural western Uganda," PLOS Global Public Health, vol. 3, no. 3, pp. e0001678, 2023. [Paper]


S.C. Lotspeich, B.E. Shepherd, G.G.C. Amorim, P.A. Shaw, and R. Tao, "Efficient odds ratio estimation under two-phase sampling using error-prone data from a multi-national HIV cohort," Biometrics, vol. 78, pp. 1674-1685, 2022. [Paper][Software]

S.C. Lotspeich*, K.F. Grosser*, and T.P. Garcia, "Correcting conditional mean imputation for censored covariates and improving usability," Biometrical Journal, vol. 64, pp. 858-862, 2022. [Paper][Software]

M. Ripperger,  S.C. Lotspeich, D. Wilimitis, C.E. Fry, A. Roberts, M. Lenert, C. Cherry, S. Latham, K. Robinson, Q. Chen, M.L. McPheeters, B. Tyndall, and C.G. Walsh, "Ensemble learning to predict opioid-related overdose using statewide prescription drug monitoring program and hospital discharge data In the state of Tennessee," Journal of the American Medical Informatics Association, vol. 29, no. 1, pp. 22-32, 2022. [Paper]

S.L. Sudenga, S.C. Lotspeich, A.G. Nyitray, B. Sirak, B.E. Shepherd, J. Messina, K. Sereday, R. Carvalho, M. Abrahamsen, M.L. Baggio, M. Luiza, M. Quiterio, E. Lazcano-Ponce, L. Villa, and A.R. Giuliano, "The role of external genital lesions in HIV seroconversion among men participating in a multinational longitudinal study," Sexually Transmitted Diseases, vol. 49, pp. 55-58, 2022. [Paper]


G.G.C. Amorim, R. Tao, S.C. Lotspeich, P.A. Shaw, T. Lumley, and B.E. Shepherd, "Two-phase sampling designs for data validation in settings with covariate measurement error and continuous outcome," Journal of the Royal Statistical Society: Series A, vol. 184, pp. 1368-1389, 2021. [Paper]

R. Tao, S.C. Lotspeich, G.G.C. Amorim, P.A. Shaw, and B.E. Shepherd, "Efficient semiparametric inference for two-phase studies with outcome and covariate measurement errors," Statistics in Medicine, vol. 40, pp. 725-738, 2021 [Paper][Software]


S.C. Lotspeich, R.T. Jarrett, R. Epstein, A. Schaffer, K. Gracey, M. Cull, and R. Raman, "Incidence of children placed in state custody and neighborhood-level risk factors," Child Abuse & Neglect, vol. 109, 2020. [Paper][Video Brief]

S.C. Lotspeich, M.J. Giganti, M. Maia, R. Vieira, D.M. Machado, R.C. Succi, S. Ribeiro, M.S. Pereira, M.F. Rodriguez, G. Julmiste, M.T. Luque, Y. Caro-Vega, F. Mejia, B.E. Shepherd, C.C. McGowan, and S. N. Duda, "Self-audits as alternatives to travel-audits for improving data quality in the Caribbean, Central and South America network for HIV epidemiology," Journal of Clinical and Translational Science, vol. 4, no. 2, pp. 125-132, 2020. [Paper]

For additional submitted manuscripts/papers in preparation, please see my CV.