[Retracted] Clinical Efficacy of Interventional Therapy on Lower Extremity Arteriosclerosis Obliterans and Prognostic Factors

Table 4

Changes of Rutherford grading in the two groups before and after therapy.

Group	Before therapy		After therapy
	1-3	4-6	1-3	4-6
Conservative group ()	32	40	54	18
Intervention group ()	25	25	45	5
value	0.366		4.340
value	0.545		0.037