[Retracted] Comparative Anesthesia Effect of Brachial Plexus Block Based on Smart Electronic Medical Ultrasound-Guided Positioning and Traditional Anatomical Positioning

Table 9

VAS score data sheet at various times after operation.

Group		0.5 h	1 h	2 h	4 h	8 h	12 h
Ultrasound group	A	0	0.70	3.07	8.17	8.26	7.56
	B	0	0.69	1.97	6.11	6.45	6.14
	C	0	0.62	1.78	5.47	5.32	5.19
Anatomy group	D	0	0	0	2.24	4.08	4.52
	E	0	0	0	1.72	3.50	4.00
	F	0	0	0	3.32	3.98	5.72
P		0.010	0.008	0.008	0.004	0.002	0.001