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Table 4 Comparison of the groups in terms of number of morphine boluses in 1st 24 h

From: IPACK block with spinal anesthesia compared to fentanyl-based spinal anesthesia for postoperative analgesia following arthroscopic meniscectomy: a randomized, prospective study

Number of morphine boluses

Group F (n = 31)

Group I (n = 31)

P value

0 (n) (%)

9 (19.0%)

19 (61.3%)

0.038*

1 (n) (%)

7 (22.6%)

7 (22.6%)

2 (n) (%)

7 (22.6%)

4 (13.3%)

3 (n) (%)

6 (19.3%)

1 (3.22%)

4 (n) (%)

2 (6.45%)

0 (0.0%)

  1. Group F: spinal anesthetic with fentanyl
  2. Group I: spinal anesthesia with IPACK block
  3. *Statistically significant of p-value ≤ 0.05