Table 1

- Comparison of demographic data between groups.

Qualitative variables	Group				Mean/Median difference (95% CI)	P-value
	EOIPB (n=40)		Control (n=40)
	n	(%)	n	(%)
Gender
Male	11	44	14	56.0	-	0.469^{^*}
Female	29	52.7	26	47.3	-	0.469^{^*}
*ASA*
I	17	56.7	13	43.3	-	0.356^{^*}
II	23	46	27	54	-	0.356^{^*}
Age (yr)	48.1±13.7		52.4±13.3		4.23 (-10.34 – 1.89)	0.150^{^†}
BMI (kg/m²)	26.5±2.8		27.6±3.8		-1.12 (-2.48 – 0.25)	0.154^{^†}
First mobilization time (hour)	2.5±1.5		2.0±1.3		0.49 (-0.14 – 1.14)	0.063^{^‡}
First oral intake time (hour)	6.4±1.0		6.5±0.9		-0.10 (-0.53 – 0.33)	0.977^{^‡}
Surgical time (minute)	39.1±9.2		36.6±9.0		2.47 (-1.83 – 6.78)	0.152^{^†}
Anesthesia time (minute)	49.8±7.9		48.8±7.3		1.08 (-2.48 – 4.63)	0.538^{^†}

EOIPB: external oblique intercostal plane block, BMI: body mass index, ASA: American Society of Anesthesiologists