Publications

High-dimensional multiple imputation (HDMI) for partially observed confounders including natural language processing-derived auxiliary covariates.

Am J Epidemiol
Weberpals J, Shaw PA, Lin KJ, Wyss R, Plasek JM, Zhou L, Ngan K, DeRamus T, Raman SR, Hammill BG, Lee H, Toh S, Connolly JG, Dandreo KJ, Tian F, Liu W, Li J, Hernández-Muñoz JJ, Schneeweiss S, Desai RJ.

Real-World Effectiveness of Bebtelovimab Versus Nirmatrelvir/Ritonavir in Outpatients with COVID-19.

Pulm Ther
Rowan CG, Nichols RM, Dhopeshwarkar N, Alyea JM, Zhu B, Toh S, Chan KA, Grace EL

Peer Review of Real-World Data Studies and Open Science-Connecting the Last Mile.

Pharmacoepidemiol Drug Saf
Toh S

Considerations Regarding Association of Semaglutide and Nonarteritic Anterior Ischemic Optic Neuropathy.

JAMA Ophthalmol
Maro JC, Platt R, Toh S

Analyzing missingness patterns in real-world data using the SMDI toolkit: application to a linked EHR-claims pharmacoepidemiology study.

BMC Med Res Methodol
Raman SR, Hammill BG, Shaw PA, Lee H, Toh S, Connolly JG, Dandreo KJ, Nalawade V, Tian F, Liu W, Li J, Hernández-Muñoz JJ, Glynn RJ, Desai RJ, Weberpals J

Tree-based scan statistics to generate drug repurposing hypotheses: a test case using sodium-glucose cotransporter-2 inhibitors.

Am J Epidemiol
Tan GSQ, Maro JC, Wang SV, Toh S, Morton JI, Ilomäki J, Wong J, Li X

A Distributed Regression Analysis Application Package Using SAS

Qoua L. Her, Dongdong Li, Yury Vilk, Jessica Young, Zilu Zhang, Jessica M. Malenfant, Sarah Malek & Sengwee Toh

A simple Cox approach to estimating risk ratios without sharing individual-level data in multi-site studies.

Am J Epidemiol
Shu D, Zou G, Hou L, Petrone AB, Maro JC, Fireman BH, Toh S, Connolly JG

Medication-Induced Weight Change Across Common Antidepressant Treatments : A Target Trial Emulation Study.

Ann Intern Med
Petimar J, Young JG, Yu H, Rifas-Shiman SL, Daley MF, Heerman WJ, Janicke DM, Jones WS, Lewis KH, Lin PD, Prentice C, Merriman JW, Toh S, Block JP

Use of the Sentinel System to Examine Medical Product Use and Outcomes During Pregnancy.

Drug Saf
Lyons JG, Shinde MU, Maro JC, Petrone A, Cosgrove A, Kempner ME, Andrade SE, Mwidau J, Stojanovic D, Hernández-Muñoz JJ, Toh S

Transparency, reproducibility, and replicability of pharmacoepidemiology studies in a distributed network environment.

Pharmacoepidemiol Drug Saf
Rai A, Maro JC, Dutcher S, Bright P, Toh S

A Principled Approach to Characterize and Analyze Partially Observed Confounder Data from Electronic Health Records.

Clin Epidemiol
Weberpals J, Raman SR, Shaw PA, Lee H, Russo M, Hammill BG, Toh S, Connolly JG, Dandreo KJ, Tian F, Liu W, Li J, Hernández-Muñoz JJ, Glynn RJ, Desai RJ

Using Claims Data to Predict Pre-Operative BMI Among Bariatric Surgery Patients: Development of the BMI Before Bariatric Surgery Scoring System (B3S3).

Pragmat Obs Res
Wong J, Li X, Arterburn DE, Li D, Messenger-Jones E, Wang R, Toh S

Targeted Learning with an Undersmoothed Lasso Propensity Score Model for Large-Scale Covariate Adjustment in Healthcare Database Studies.

Am J Epidemiol
Wyss R, van der Laan M, Gruber S, Shi X, Lee H, Dutcher SK, Nelson JC, Toh S, Russo M, Wang SV, Desai RJ, Lin KJ

Process guide for inferential studies using healthcare data from routine clinical practice to evaluate causal effects of drugs (PRINCIPLED): considerations from the FDA Sentinel Innovation Center.

BMJ
Desai RJ, Wang SV, Sreedhara SK, Zabotka L, Khosrow-Khavar F, Nelson JC, Shi X, Toh S, Wyss R, Patorno E, Dutcher S, Li J, Lee H, Ball R, Dal Pan G, Segal JB, Suissa S, Rothman KJ, Greenland S, Hernán MA, Heagerty PJ, Schneeweiss S

smdi: an R package to perform structural missing data investigations on partially observed confounders in real-world evidence studies.

JAMIA Open
Weberpals J, Raman SR, Shaw PA, Lee H, Hammill BG, Toh S, Connolly JG, Dandreo KJ, Tian F, Liu W, Li J, Hernández-Muñoz JJ, Glynn RJ, Desai RJ

Predicting risk of suicidal behavior from insurance claims data vs. linked data from insurance claims and electronic health records.

Pharmacoepidemiol Drug Saf
Simon GE, Shortreed SM, Johnson E, Yaseen ZS, Stone M, Mosholder AD, Ahmedani BK, Coleman KJ, Coley RY, Penfold RB, Toh S

Data-driven automated classification algorithms for acute health conditions: applying PheNorm to COVID-19 disease.

J Am Med Inform Assoc
Smith JC, Williamson BD, Cronkite DJ, Park D, Whitaker JM, McLemore MF, Osmanski JT, Winter R, Ramaprasan A, Kelley A, Shea M, Wittayanukorn S, Stojanovic D, Zhao Y, Toh S, Johnson KB, Aronoff DM, Carrell DS

Association Between Use of Fluoroquinolones and Risk of Mitral or Aortic Valve Regurgitation: A Nationwide Cohort Study.

Clin Pharmacol Ther
Dong YH, Wang JL, Chang CH, Lin JW, Chen YA, Chen CY, Toh S

Corticosteroids but not Anti-TNF Are Associated With Increased COVID-19 Complications in Patients With Inflammatory Bowel Disease.

Inflamm Bowel Dis
Long MD, Parlett L, Lewis JD, Haynes K, Adimadhyam S, Hou L, Wolfe A, Toh S, Burris J, Dorand J, Kappelman MD