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 4 Reoperation occurrence of 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 |
---|---|---|---|---|
Re-surgery occurrence | ||||
≤6 months | 3 (3/75, 4.0%) | 3 (3/30, 10.0%) | 7 (7/184, 3.8%) | 0.23 |
>6 months | 2 (2/75, 2.7%) | 4 (4/30, 13.3%) | 10 (10/184, 5.4%) | 0.05 |