15 May 2024 : Clinical Research
Comparative Analysis of Postoperative Sagittal Balance in Expansive Open-Door Laminoplasty versus Laminectomy with Fusion for Multilevel Ossification of Posterior Longitudinal Ligament: A Retrospective Study
Xudong Ma12ABCDEF, Zhen Yu3BC, Duoyue Wu4CDE, Yan Huang1ABCDEF*DOI: 10.12659/MSM.943057
Med Sci Monit 2024; 30:e943057
Table 2 Baseline data in LP/LF groups.
| LP group (n=40) | LF group (n=40) | P value | |
|---|---|---|---|
| Sex (Male/Female) | 24/16 | 29/11 | 0.23 |
| Age | 61.3±1.4 | 60.0±1.6 | 0.41 |
| Followed-up, months | 31.9±2.0 | 27.4±2.0 | 0.11 |
| Blood loss, ml | 84.0±5.3 | 111.3±5.3 | 0.02* |
| Operation time, min | 86.4±3.8 | 96.8±4.5 | 0.08 |
| Operative segments | 0.75 | ||
| C3–C7 | 34 | 35 | |
| C3–C6 | 6 | 5 | |
| Ossification type | 0.48 | ||
| Mixed type | 25 | 28 | |
| Segmental type | 15 | 12 |






