Document Classification

Section Type: RESULTS

Text: Groups 1 and 2 were similar in preoperative characteristics including age (65. 3 6. 8 vs 70. 7 7. 0, P = 0. 191) New York Heart Association class (2. 3 0. 5 vs 1. 8 0. 7, P = 0. 218), EuroSCORE (2. 8 2. 0 vs 3. 6 2. 3, P = 0. 547), the degree of carotid stenosis (79 12 vs 87 13 %, P = 0. 224) and average left ventricular ejection fraction (44. 3 12. 4 vs 43. 4 13. 3 %, P = 0. 896).