cardiovascular event
Event history analysis revealed that       among patients who died under treatment after having at least 1 nonlethal       cardiovascular event, 20 patients were treated with placebo but only 7 patients       were treated with bisoprolol (RR 0.41; 95% CI 0.17 to 0.98; P <.05).
Event history analysis revealed that       among  @OBJECT$  who died under treatment after  @PREDICAT$  at least 1 nonlethal        @SUBJECT$ , 20 patients were treated with placebo but only 7 patients       were treated with bisoprolol (RR 0.41; 95% CI 0.17 to 0.98; P <.05).