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Patients demographics and radiographic outcomes
| Group A (n = 27) | Group P (n = 29) | P | |
|---|---|---|---|
| Mean age (years) | 57.5 ± 8.6 | 59.3 ± 7.9 | NS |
| Duration of symptoms (months) | 9.8 ± 2.1 | 9.4 ± 3.2 | NS |
| Mean spinal canal diameter (mm) | 14.7 ± 1.2 | 14.2 ± 1.7 | NS |
| Mean occupying rate (%) | 38.9 ± 9.4 | 41.2 ± 8.2 | NS |
| Type of OPLL | |||
| Segmental (%) | 5 (18.5%) | 4 (13.8%) | NS |
| Mixed (%) | 8 (29.6%) | 6 (20.7%) | NS |
| Continuous (%) | 14 (51.9%) | 19 (65.5%) | NS |
Values are mean ± SD
NS not significant
