A comparative study to evaluate the feasibility of preoperative percutaneous catheter drainage for the treatment of lumbar spinal tuberculosis with psoas abscess

Table 4 Comparison of the VAS and Cobb angle before and after surgery in the two groups (\( \overline{x} \)±s)

Groups	Cases (n)	VAS scoring		Cobb angle (°)
Groups	Cases (n)	Before surgery	1 month after surgery	Before surgery	1 month after surgery
A	36	8.4 ± 0.8	3.2 ± 0.7	18.5 ± 5.5	11.3 ± 4.7
B	32	8.3 ± 0.7	3.5 ± 0.2	17.9 ± 6.1	10.9 ± 5.1
Statistic		0.016	1.725	1.062	0.283
P value		0.984	0.087	0.300	0.630

ISSN: 1749-799X