AIM To evaluate the combined use of GRACE and CRUSADE risk stratification schemes in patients with non-ST-segment elevation acute coronary syndrome( NSTE-ACS) after percutaneous coronary intervention( PCI) and each of the scores individually in terms of prognostic prediction. METHODS A total of 320 NSTE-ACS patients treated with PCI were followed for at least 1. 5 years. The cohort( according to the GRACE and CRUSADE risk scores) was divided into three groups: lowest risk group( GRACE < 141;CRUSADE < 41),in...