Demographic data of patients (n = 20) undergoing unilateral biportal endoscopic decompression for cervical spondylotic radiculopathy.
| Demographic | Value |
| Age, y, mean ± SD | 56.7 ± 10.2 |
| Sex, n, male/female | 15/5 |
| Preoperative duration of symptoms, mo, mean ± SD | 4.6 ± 2.3 |
| Follow-up, mo, mean ± SD | 8.4 ± 1.8 |