title: Pre-specified vs. post-hoc subgroup analyses: are we wiser before or after a trial has been performed?
authors.affiliation: Vivantes Auguste-Viktoria-Klinikum, Klinik für Innere Medizin - Kardiologie, Diabetologie und konservative Intensivmedizin, Rubensstr. 125, D-12157 Berlin, Germany helmut.schuehlen@vivantes.de.
authors.forename: Helmut
authors.initials: H
authors.lastname: Schühlen
mesh_terms: D054058:Acute Coronary Syndrome / Q000188:drug therapy*; D000241:Adenosine / Q000031:analogs & derivatives* / Q000627:therapeutic use; D000077144:Clopidogrel; D005260:Female; D006801:Humans; D008297:Male; D010975:Platelet Aggregation Inhibitors / Q000627:therapeutic use*; D000077486:Ticagrelor; D013988:Ticlopidine / Q000031:analogs & derivatives* / Q000627:therapeutic use
chemical_list: D010975:Platelet Aggregation Inhibitors; D000077144:Clopidogrel; D000077486:Ticagrelor; D000241:Adenosine; D013988:Ticlopidine