| Group LB (n = 48) | Group LB+D (n = 47) | p value |
---|---|---|---|
Total dose Of morphine consumption(including morphine equivalent doses) (mg) | 9.55 ± 4.47 | 1.92 ± 2.85 | *< 0.001 |
Time from end of surgery to 1st breakthrough pain (h) | 2.66 ± 0.91 | 8.34 ± 1.57 | *< 0.001 |
Duration of surgery (min) | 51.49 ± 8.44 | 52.3 ± 8.07 | 0.914 |