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

Table 1

Data sheet of evaluation index system for index reliability testing.

	Very clear and convenient	Clear and convenient	General	Not clear enough	Chaotic	Cronbach alpha
Drug onset time	0.317	0.398	0.164	0.083	0.038	0.9133
Analgesia maintenance time	0.111	0.201	0.323	0.199	0.166	0.8196
Blocking effect	0.184	0.284	0.249	0.187	0.096	0.8362
Exercise function recovery time	0.112	0.176	0.352	0.204	0.156	0.7819
Effect on myocardium	0.067	0.110	0.398	0.258	0.167	0.7432