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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 31.3 ± 2.82 † 54.7 ± 4.75†
  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).