Document Classification

Section Type: RESULTS

Text: The change in left ventricular cardiomyocyte staining (end of cardiopulmonary bypass -- before cardiopulmonary bypass) differed significantly between groups for both primary measures : 8-iso-prostaglandin-F (2) alpha, -1. 8 + / - 7. 5 gray units (mean + / - SD, N-acetylcysteine group) versus 5. 0 + / - 4. 1 gray units (placebo group ; 95 % confidence interval, 2. 6-11. 0, P =. 003) ; nitrotyrosine, -6. 4 + / - 10. 0 gray units (N-acetylcysteine group) versus 9. 2 + / - 8. 4 gray units (placebo group ; 95 % confidence interval, 9. 4-21. 7, P <. 001).