29 July 2021>: Clinical Research
Efficacy of Single Level Versus Double Levels Surgery of Percutaneous Disc Nucleoplasty (PDN) Approach in Treating Lumbar Disc Herniation
Haidong Yin 1BCDEF , Xinmei Zhang 2BCEF , Zhiping Huang 3BCD , Yang Song 2BCF , Qingan Zhu 3ADEG*DOI: 10.12659/MSM.930000
Med Sci Monit 2021; 27:e930000
Table 2 Visual analog scale scores of leg pain for patients in the single-level group and double-level group. P values: single-level group vs double-level group.
Characteristics | Single level group (n=75) | Double levels group (n=30) | Control group (n=184) | P value |
---|---|---|---|---|
VAS score of leg pain | ||||
Pre-operation | 6.4±2.2 | 6.7±2.4 | 4.8±1.8 | 0.65 |
1 month post-operation | 2.5±0.6 | 2.9±0.7 | 2.7±1.9 | 0.29 |
6 months post-operation | 2.7±0.3 | 3.4±0.2 | 2.9±1.7 | 0.02 |
12 months post-operation | 2.8±0.2 | 3.5±0.3 | 2.5±1.5 | 0.01 |
24 months post-operation | 2.7±0.4 | 3.7±0.3 | 2.4±1.6 | 0.01 |
Final follow-up | 2.9±0.3 | 3.9±0.4 | 2.3±1.7 | 0.007 |