16 February 2026 : Clinical Research
Risk Factor Analysis of Residual Low Back Pain After Unilateral Biportal Endoscopic Discectomy in Patients With Lumbar Disc Herniation
Zhifeng Cheng BCDEF 1,2, Tao Tang ABD 1, Shenliang Chen AB 1, Jiafeng Hong DE 1,2, Haonan Lu BD 1,2, Hao Xu E 1,2, Bo Hu ADEF 1,2*DOI: 10.12659/MSM.951644
Med Sci Monit 2026; 32:e951644
Table 2 Radiological parameters of patients in each group.
| Parameter | Non-residual LBP group (n=159) | Residual LBP group (n=44) | P |
|---|---|---|---|
| DHI | 0.29±0.57 | 0.27±0.47 | 0.145 |
| LL (degrees) | 32.70 (25.50, 39.30) | 34.00 (26.15, 37.68) | 0.983 |
| SS (degrees) | 29.00 (27.00, 30.00) | 29.00 (26.25, 31.00) | 0.611 |
| sROM (degrees) | 4.50 (2.60, 6.40) | 4.20 (2.43, 6.55) | 0.915 |
| Degenerative scoliosis | 16 (10.1) | 5 (11.4) | 1.000 |
| Intradiscal vacuum phenomenon | 35 (22.0) | 9 (20.5) | 0.824 |
| Disc degeneration grade | 0.637 | ||
| Low (grade I–III) | 31 (19.5) | 10 (22.7) | |
| High (grade IV–V) | 128 (80.5) | 34 (77.3) | |
| FJOA | 0.007 | ||
| Low-grade (I–II) | 123 (77.4) | 25 (56.8) | |
| High-grade (III–IV) | 36 (22.6) | 19 (43.2) | |
| Modic type 1 changes | 11 (6.9) | 10 (22.7) | 0.006 |
| Data are presented as mean±standard deviation, median (25 percentile [P], 75 percentile [P]), or n (%). LBP – low back pain; DHI – disc height index; LL – lumbar lordosis; SS – sacral slope; sROM – segmental range of motion; FJOA – facet joint osteoarthritis. | |||