Table 3. Intraoperative conditions and postoperative satisfaction of patients.

	E group (n=10)	S group (n=10)	P
Patient with level 1 block effect (%)	7 (70.0)	8 (80.0)
Patient with level 2 block effect (%)	3 (30.0)	2 (20.0)
Patient with level 3 block effect (%)	0 (0)	0 (0)
Patient with level 4 block effect (%)	0 (0)	0 (0)
Anesthetic effect	1.30±0.483	1.20±0.422#	0.628
Surgery duration (min)	101.0±12.5	90.6±12.7#	0.082
Paresthesia (%)	0 (0)	0 (0)
Motion abnormality (%)	0 (0)	0 (0)
Patient satisfaction	8.8±0.8	9.7±0.5*	0.006

E group compared to the S group, ^#, P>0.05 indicated no significant difference; *, P<0.05 indicates a significant difference.