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 1 Basic characteristics 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 | P value |
|---|---|---|---|---|
| Medical history (months) | 12.3±6.7 | 14.1±6.1 | 13.5±7.5 | 0.44 |
| Age (years) | 44.5±8.8 | 46.0±10.2 | 41.7±17.2 | 0.23 |
| Follow-up time (months) | 38.3±8.5 | 37.5±7.7 | 29.5±18.8 | 0.56 |
| Surgical level | ||||
| L3/4 | 16 | 0 | ||
| L4/5 | 36 | 0 | ||
| L5/S1 | 23 | 0 | ||
| L3/4+L4/5 | 0 | 14 | ||
| L4/5+L5/S1 | 0 | 14 | ||
| L3/4+L5/S1 | 0 | 2 | ||