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Basic data of patients (x ±, n = 79).
| Characteristics | No. of patients (n = 79) |
|---|---|
| Age at surgery | 67.4 center8.2 |
| Sex | |
| Male | 14 (17.7%) |
| Female | 65 (82.3%) |
| Levels of instability segments | |
| One-level | 60 (75.9%) |
| Two-levels | 17 (21.5%) |
| Three-levels | 2 (2.5%) |
| Numbers of surgical segments | |
| C3/4 | 46 (46.0%) |
| C4/5 | 40 (40.0%) |
| C5/6 | 14 (14.0%) |
| follow-up period, months | 29.6 ± 9.6 |
