Variable | Value* |
---|---|
Sex | |
 Male | 392 |
 Female | 36 |
Age (years) | |
 Mean | 34.8 |
 Range | 18–60 |
Osteotomy method | |
 One-level | 339 |
 Two-level | 89 |
Duration of AS (years) | |
 Mean | 14.2 |
 Range | 3.3–36.2 |
GK (°) | |
 Mean | 59.6 |
 Range | 32.4–110.6 |
SVA (cm) | |
 Mean | 21.3 |
 Range | 6.3–49.5 |
CBVA (°) | |
 Mean | 51.5 |
 Range | 28–108.1 |
Follow-up (years) | |
 Mean | 2.8 |
 Range | 2.4–14 |