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Table 2 Transverse Intertangential Angle (TITA) Between Our Results and Van Schaik et al.

From: What is the difference in morphologic features of the lumbar vertebrae between Caucasian and Taiwanese subjects? A CT-based study: implications of pedicle screw placement via Roy-Camille or Weinstein method

  L1 L2 L3 * L4* L5*
Mean SD Range Mean SD Range Mean SD Range Mean SD Range Mean SD Range
Our results − 13.4 7.6 − 23 to + 1 − 16 8.3 − 29 to − 5 − 9.7 7.5 + 5 to + 29 2.4 8.5 + 4 to + 21 44.8 13.1 + 16 to + 78
Van Schaik et al        − 14.3 12 − 44 to + 12 6.3 11.5 − 24 to + 37 53 15.4 + 18 to + 88
  1. TITA is the angle between two lateral tangential lines along the lateral borders of each vertebrae was also measured from posterior-anterior axis
  2. Positive value defined as convergence, and negative value defined as divergence from posterior-to-anterior axis
  3. Van Schaik et al. revealed his results in L3 to L5 only without L1 and L2 results provided
  4. * meant statistically significant between Caucasian and Taiwanese populations