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Table 1 Demographic data, operative data, and average fentanyl consumption among the study groups

From: Surgical transversus abdominis plane block versus surgical rectus sheath block for postoperative pain control in morbid obese patients undergoing major gynaecological surgery: a prospective, randomized, blinded study

Variable

TB (n = 30)

RB (n = 30)

P value

Age (year)

46.6 ± 5.0

45.7 ± 4.3

0.476^

BMI (kg/m2)

44.8 ± 1.3

45.2 ± 1.3

0.281^

Type of surgical procedures

Ovarian pathology

12 (40.0%)

11 (36.7%)

0.840II

Uterine pathology

16 (53.3%)

18 (60.0%)

Cervical pathology

2 (6.7%)

1 (3.3%)

Length of skin incision (cm)

17.3 ± 2.1

16.7 ± 1.6

0.238^

Operation time (min)

233.7 ± 14.1

237.1 ± 15.4

0.375^

Average fentanyl consumption (μg)

263.7 ± 22.4

254.3 ± 25.3

0.135^

Time to performing the technique (min)

7.2 ± 1.5

4.7 ± 1.4

< 0.001^*

  1. Data presented as Mean ± SD or n (%) as appropriate
  2. BMI body mass index, TB transversus abdominis plane block, RB rectus sheath block.
  3. IIFisher’s exact test
  4. ^Independent t test
  5. *P < 0.001 is highly significant