title: Answer to the letter regarding "Valve surgery in active infective endocarditis: A simple score to predict in-hospital prognosis".
authors.affiliation: Department of Cardiology, Hospital General Universitario Gregorio Marañón, Universidad Europea, Universidad Complutense, Madrid, Spain. Electronic address: mmselles@secardiologia.es.
authors.forename: Manuel
authors.initials: M
authors.lastname: Martínez-Sellés
mesh_terms: D004697:Endocarditis, Bacterial / Q000401:mortality* / Q000601:surgery*; D005260:Female; D019918:Heart Valve Prosthesis Implantation / Q000401:mortality* / Q000639:trends*; D017052:Hospital Mortality / Q000639:trends*; D006801:Humans; D008297:Male; D012720:Severity of Illness Index