Table 2.

Comparison of the postoperative morphine consumption between the groups

	Group C (n = 30)		Group ESP (n = 30)		p-Value
	Mean ± SD (% 95 CI)	Median [Q1-Q3]	Mean ± SD (% 95 CI)	Median [Q1-Q3]
1st h	5.40 ± 2.24 (4.56–6.24)	6.00 [4-8]	3.93 ± 1.86 (3.24–4.63)	4.00 [2-4]	0.013
3rd h	3.93 ± 2.13 (3.14–4.73)	4.00 [4-6]	2.13 ± 1.48 (1.58–2.69)	2.00 [2-2]	0.001
6th h	2.73 ± 2.00 (1.99–3.48)	2.00 [2-4]	0.67 ± 1.32 (0.17–1.16)	0.00 [0-2]	< 0.001
12th h	0.93 ± 1.89 (0.21–1.65)	0.00 [0-2]	0.33 ± 1.18 (0.11–0.78)	0.00 [0-0]	0.053
24th h	0.28 ± 0.65 (0.03–0.52)	0.00 [0-0]	0.03 ± 0.18 (0.04–0.10)	0.00 [0-0]	0.073
Total	13.23 ± 3.98 (11.75–0)	12.5 [8-14]	7.10 ± 2.6 (6.13–0)	8 [6-10]	< 0.001

Note: Data are expressed as mean ± standard deviation (95% CI) and median ([IQR, Q1–Q3]). Statistically significant difference is highlighted in bold

Abbreviations: IQR Interquantilerange, CI Confidence interval, ESP Erector spinae plane