Table 1.
Demographics and radiologic findings of the patients.
| Overall ACDF | Single-level ACDF | Multi-level ACDF | p-Value | |
|---|---|---|---|---|
| Number | 200 | 118 | 82 | |
| Sex (M:F) | 123:77 | 81:37 | 42:40 | <0.05 |
| Age (years ± SD) | 53.7 ± 12.6 | 53.8 ± 12.6 | 53.4 ± 12.7 | 0.76 |
| Extent of surgery | ||||
| Single level | 118 | 118 | ||
| Two level | 67 | 67 | ||
| Three level | 15 | 15 | ||
| Radiological finding | ||||
| Foraminal stenosis | 175 | 100 | 75 | 0.2 |
| Central canal stenosis | 195 | 115 | 80 | 0.67 |
| Grade 0 (no stenosis) | 5 | 3 | 2 | |
| Grade 1 | 21 | 14 | 7 | |
| Grade 2 | 58 | 31 | 27 | |
| Grade 3 (severe stenosis) | 116 | 70 | 46 | |
| HIVD | 198 | 116 | 82 | 0.51 |
| OPLL | 42 | 20 | 22 | 0.11 |
*p-Value between single-level ACDF and multi-level ACDF surgeries.
ACDF = anterior cervical discectomy and fusion; HIVD = herniated intervertebral disc; OPLL = ossifications of posterior longitudinal ligament.