Table 3 Surgical segment fusion information
SA group | PPS group | P | |
|---|---|---|---|
6 months | |||
Grade I | 68 | 37 | |
Grade II | 10 | 9 | |
Grade III | 7 | 8 | |
Grade IV | |||
Fusion rate | 91.76% | 85.19% | 0.223 |
12 months | |||
Grade I | 82 | 48 | |
Grade II | 3 | 6 | |
Grade III | / | / | |
Grade IV | / | / | |
Fusion rate | 100% | 100% | |
Fusion type | < 0.001 | ||
AO type | 22(25.88%) | 1(1.85%) | |
BO type | 63(74.12%) | 53(98.15%) |