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Comparison of contact ratio of the vertebra-cage (Mean ± S.D. %) for all constructs |
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| Testing |
Contour |
Monoaxial screws |
Polyaxial screws |
|
|
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| Compression |
0° |
31.3 ± 2.82 † |
54.7 ± 4.75† |
| 7° |
48.7 ± 4.21 |
52.1 ± 2.96 |
|
| 14° |
55.6 ± 8.12 |
51.6 ± 5.78 |
|
| 21° |
27.3 ± 10.5 ‡ |
47.8 ± 6.32‡ |
|
|
† Significant difference in monoaxial screws group and polyaxial screws group (p < 0.05). ‡ Significant difference in monoaxial screws group and polyaxial screws group (p < 0.05). | |||
Chen et al. BMC Musculoskeletal Disorders 2007 8:28 doi:10.1186/1471-2474-8-28 |
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