[Retracted] Clinical Application of Ultrasound Microscopy-Guided Pediatric Brachial Plexus Nerve Block Anesthesia

Table 3

Comparison of excellent anesthesia rates between the two groups of children.

Group	Excellent	Good	Difference	Excellent
Research group	41.47	48.79	9.77	90.25
Control group	31.72	41.47	26.84	73.18
value	—			3.999
value				0.047