Methods in Pharmacoepidemiology / Measurement Methods

(B-216) A Validation Study to Evaluate Code Based Definitions for Sickle Cell Disease, Genotypes, and Acute and Chronic Complications Using US Optum Electronic Health Records

(B-210) Acetaminophen Use During Pregnancy and the Risk of Childhood Attention-Deficit/Hyperactivity Disorder (ADHD): A Quantitative Bias Analysis

(B-212) Adaptive multi-wave sampling for efficient chart validation

(B-214) Assessing the Incidence of Major Adverse Cardiovascular Events in Medicare Data during the COVID-19 Pandemic

(B-215) Assessing the Risk of Hormonal Contraceptive Failure in the Presence of Drug-Drug Interactions with CYP3A4 inducers

(B-223) Challenges and Learnings from a Prescription Sequence Symmetry Analysis Replication Study to Inform a Reusable Negative Control Programming Tool

(B-226) Characterization of Confounding Covariate Data Capture in the U.S. Food and Drug Administration’s Sentinel Distributed Database

(B-222) Comparison of time-to-next treatment and time-to-event endpoints using real-world data in checkpoint inhibitor-treated patients with advanced non-small cell lung cancer

(B-221) Development and Validation of Identification Algorithms for Five Autoimmune Diseases Using Electronic Health Records: A Retrospective Cohort Study in China

(B-217) Development and validation of the knowledge, attitude, and practice questionnaire for tuberculosis patients with type II diabetes mellitus: A study from India

(B-219) Estimating Health Care Contact Days for Medicare Beneficiaries Diagnosed with Metastatic Breast, Colorectal, Lung or Prostate Cancer, 2008-2019

(B-211) Evaluation of a pregnancy algorithm using multiple data sources

(B-228) Evaluation of Database-Derived Real-World Disease-Free Survival (rwDFS) in Resected Non-Small Cell Lung Cancer (NSCLC)

(B-213) Integrating the Patient Perspective Within Real-World Evidence: A Case Study Linking Routinely Collected Patient-Reported Outcomes and Electronic Health Records from Mass General Brigham Healthcare System

(B-220) Inverse probability weighting to adjust for informative censoring when estimating Desirability of Outcome Ranking (DOOR) probabilities

(B-230) Optimizing the Identification and Classification of Non-Small Cell Lung Cancer (NSCLC): Validation and Implementation of a Patient Cohort Algorithm in Claims Databases

(B-227) The Impact of COPD Severity Misclassification on Patients with Different Comorbidities Using a Validated Process: A Nationwide Cohort Study

(B-218) The Inclusion of Dietary Data in Real-World Gastroenterology Studies: Insights from a Literature Review on Crohn’s Disease

(B-224) Towards Optimizing Identification of First Line of Therapy (LOT) for Metastatic Lung, Breast and Colorectal Cancer in Real World Data: A Scoping Review

(B-225) Utility of Restricted Mean Duration of Response as an Intermediate Outcome in Advanced Non-small Cell Lung Cancer

(B-229) Validation of Diagnostic Codes for Identifying Chlamydial Infections from TriNetX Electronic Health Record Data in the United States