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Table 3 Comparison of the postoperative morphine consumption in the first 24 h according to the surgical technique

From: Analgesic efficacy of the bilateral erector spinae plane block for colorectal surgery: a randomized controlled trial

 

Group C (n = 30)

Group ESP (n = 30)

p-Value

Mean ± SD (% 95 CI)

Median [Q1-Q3]

Mean ± SD (% 95 CI)

Median [Q1-Q3]

 

Laparoscopic

11.00 ± 2.94 (9.22–12.78)

10 [10-12]

6.71 ± 3.00 (4.98–8.45)

6 [4-10]

0.001

Open

14.94 ± 3.88 (12.95–16.94)

14 [12-16]

7.44 ± 2.25 (6.24–8.64)

8 [6-8]

 < 0.001

Total

13.23 ± 3.98 (11.75–0)

12.5 [8-14]

7.10 ± 2.6 (6.13–0)

8 [6-10]

 < 0.001

  1. Note: Data are expressed as mean ± standard deviation (% 95 CI) and median ([IQR, Q1–Q3]). Statistically significant difference is highlighted in bold
  2. Abbreviations: IQR Interquantilerange, CI Confidence interval, ESP Erector spinae plane block