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Table 1 Comparison of contact ratio of the vertebra-cage (Mean ± S.D. %) for all constructs

From: Biomechanical effects of polyaxial pedicle screw fixation on the lumbosacral segments with an anterior interbody cage support

Testing

Contour

Monoaxial screws

Polyaxial screws

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‡

  1. † Significant difference in monoaxial screws group and polyaxial screws group (p < 0.05).
  2. ‡ Significant difference in monoaxial screws group and polyaxial screws group (p < 0.05).
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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