Does additional confounder information alter the results of a database study on the risk of bleeding associated with phenprocoumon

Sigrid Behr, Walter Schill & Iris Pigeot
Background: Claims databases are a substantial source for pharmacoepidemiological studies although they often lack information on important confounders. Objectives: Estimating the bleeding risk in patients treated with phenprocoumon by combining claims data with additional information on BMI and [for full text, please go to the a.m. URL]