Morphine Fentanyl Significance
Before start of CPB (baseline) 82.20 ± 6.19 110.86 ± 12.43+ P<0.01
4 hrs post-CPB 182.93 ± 22.99 358.53 ± 53.94+ P<0.001
21 hrs post-CPB 105.35 ± 7.79 219.40 ± 26.68+ P<0.01
Data presented as median (interquartile range). P value by Kruskall-Wallis. Intergroup differences (p<0.05) by Mann Whitney: ).+P value significantly higher in fentanyl group compared to morphine group (p<0.05)
Table 7: Interleukin-6 concentration changes (pg/ml) in the two studied groups.