TABLE 1. Preoperative demographic data and surgical outcome.
| Variables | Group I (ADR) (n=22) | Group II (Hybrid) (n=34) | p between groups | |
|---|---|---|---|---|
| Age (years) | 50±12.2 | 52±8.4 | >0.05 | |
| Mean follow-up periods (years) | 6.5±1.7 | 6.3±1.0 | >0.05 | |
| Sex ratio (M:F) | 11:11 | 18:16 | >0.05 | |
| Smokers | 5 (22.8) | 10 (29.4) | >0.05 | |
| Obesity (BMI) 25 | 8 (36.3) | 13 (38.2) | >0.05 | |
| Symptom | ||||
| Radiculopathy | 17 (77.3) | 24 (70.6) | >0.05 | |
| Myelopathy (cord signal change) | 5 (22.7) | 10 (29.4) | >0.05 | |
| Surgical level | ||||
| C3-4-5 | 2 | 3 | ||
| C4-5-6 | 9 | 15 | ||
| C5-6-7 | 11 | 16 | ||
Data are mean±standard deviation or number (%) of patients.
ADR: artificial disc replacement, BMI: body mass index.