3 months | 6 months | 12 months | Last FU | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Fusion | Non-fusion | Fusion rate | p | Fusion | Non-fusion | Fusion rate | p | Fusion | Non-fusion | Fusion rate | p | Fusion | Non-fusion | Fusion rate | p | |
C3/4 | 5 | 8 | 38.46% | < 0.001 | 8 | 5 | 61.54% | 0.044 | 12 | 1 | 92.31% | 0.028 | 13 | 0 | 100% | 0.148 |
C4/5 | 18 | 53 | 25.35% | 40 | 31 | 56.34% | 59 | 12 | 83.10% | 66 | 5 | 92.96% | ||||
C5/6 | 18 | 87 | 17.14% | 53 | 52 | 50.48% | 89 | 16 | 84.76% | 95 | 10 | 90.48% | ||||
C6/7 | 2 | 45 | 4.26% | 18 | 29 | 38.30% | 39 | 8 | 82.98% | 41 | 6 | 87.23% |