Short-term clinical efficacy of percutaneous transforaminal endoscopic discectomy in treating young patients with lumbar disc herniation

Table 1 VAS scores of lumbar pain and limb pain in different time among 20 cases

Time	VAS scores (\( \overline{x}\pm \mathrm{s} \))
Time	Lumbar pain	Limb pain
Before surgery①	5.1 ± 2.3	7.1 ± 2.6
2 days after surgery②	3.1 ± 1.2	3.0 ± 1.1
6 months after surgery③	2.1 ± 0.5	2.1 ± 1.3
12 months after surgery④	2.0 ± 0.7	1.9 ± 0.8

① compared with ②③④, P < 0.01; ② compared with ③, P < 0.01; ② compared with ④, P < 0.01; ③ compared with ④, P = 0.21

ISSN: 1749-799X