RWD155 Index Date Validation in OCEANIA a Real-World Database Study – The Importance of Looking Back

G Abreu, J Queiroz, T Nogueira,C Soares, P Menezes, P Santana, G Bernardino, T Pires, M Carrizo, J Criniti,RM Felice, P Scibona,NE Savoy,VA Simonovich, L Zamora,MC Riggi, F Cravero, D Odetto, J Saadi,A Luiz Alves Ribeiro de Souza,ALBB Gomes, L Jotimliansky

Value in Health（2022）

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摘要

A concern in database studies is the index date definition, which impacts how survival and exposure outcomes are measured/reported. Most studies use first medical code as standard. This analysis compared the validity of this approach against a multi-coding approach in two real-world databases of patients with ovarian cancer (OC).

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关键词

oceania,index,real-world

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