Analysis of the Impact of Early Surgery on In-Hospital Mortality of Native Valve Endocarditis: Use of Propensity Score and Instrumental Variable Methods to Adjust for Treatment-Selection Bias

T Lalani, C. H Cabell, D. K Benjamin, O Lasca, C Naber, V. G Fowler, G. R Corey, V. H Chu, M Fenely, O Pachirat, R. S Tan, R Watkin, A Ionac, A Moreno, C. A Mestres, J Casabe, N Chipigina, D. P Eisen, D Spelman, F Delahaye, G Peterson, L Olaison, A Wang and for the International Collaboration on Endocarditis Prospective Cohort Study (ICE PCS) Investigators

Circulation 121 ( 8 ): 1005 - 1013 , 2010