Document Classification

Section Type: RESULTS

Text: The change in left ventricular cardiac myocyte staining (end of cardiopulmonary bypass minus before cardiopulmonary bypass) differed significantly between groups for both measures : caspase-3, -3. 1 + / - 4. 5 gray units (mean + / - SD ; N-acetylcysteine group) versus 7. 1 + / - 8. 1 gray units (placebo) ; 95 % confidence interval, 6. 4 to 14. 4 ; P <. 0001 ; caspase-7, -5. 1 + / - 6. 1 gray units (N-acetylcysteine) versus 5. 1 + / - 5. 7 gray units (placebo) ; 95 % confidence interval, 6. 3 to 15. 0 ; P <. 0001.