Clinical Efficacy of CT-Guided Continuous Catheterization Drainage for Spinal Tuberculosis with Large Abscesses

Table 4

Comparison of ASIA grade before and after operation between the two groups (n).

Group	Preoperative ASIA level					Postoperative ASIA level
	A	B	C	D	E	A	B	C	D	E
Observation group (n = 11)	0	0	0	9	2	0	0	0	0	11
Control group (n = 11)	2	1	6	2	0	0	0	0	3	8