Adjusting for confounding by indication in observational studies
Maryse C Cnossen,
Thomas A van Essen,
Iris E Ceyisakar,
Suzanne Polinder,
Teuntje M Andriessen,
Joukje van der Naalt,
Iain Haitsma,
Janneke Horn,
Gaby Franschman,
Pieter E Vos,
Wilco C Peul,
David K Menon,
Andrew IR Maas,
Ewout W Steyerberg,
Hester F Lingsma
Sep 20, 2018
INTRODUCTION: Observational studies of interventions are at risk for confounding by indication. The objective of the current study was to define the circumstances for the validity of methods to adjust for confounding by...