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Table 5 The comparison of the mean values of the parameters that exhibited normal distribution

From: The analysis of sacrum and coccyx length measured with computerized tomography images depending on sex

Parameters Female
Mean ± SD
Male
Mean ± SD
Pt-test
ASL 10.55 ± 0.90 11.03 ± 0.99 0.01*
ASCL 11.98 ± 1.24 12.83 ± 1.43 0.00*
PSCL 12.72 ± 0.10 13.77 ± 1.34 0.00*
ASC 11.54 ± 0.68 12.17 ± 0.94 0.00*
PSC 11.31 ± 0.78 12.05 ± 1.08 0.00*
ACC 3.35 ± 0.58 3.60 ± 0.64 0.04*
PCC 4.22 ± 0.57 4.46 ± 0.79 0.10
LTL-1 2.80 ± 0.28 3.00 ± 0.35 0.00*
LTL-2 2.66 ± 0.23 2.93 ± 0.28 0.00*
LTL-3 2.50 ± 0.20 2.78 ± 0.24 0.00*
IFHR-3 0.89 ± 0.17 0.92 ± 0.18 0.49
IFHL-2 0.85 ± 0.19 0.86 ± 0.20 0.70
IFHL-3 0.90 ± 0.13 0.95 ± 0.16 0.13
LRFA-S 11.46 ± 0.55 11.36 ± 0.72 0.46
S1-S 5.23 ± 0.45 5.67 ± 0.50 0.00*
S1-T 2.89 ± 0.36 3.23 ± 0.37 0.00*
ASW 11.01 ± 0.72 10.90 ± 0.99 0.51
  1. ASL anterior sacral length, ASCL anterior sacrococcygeal length, PSCL posterior sacrococcygeal length, ASC anterior sacral curvature length, PSC: posterior sacral curvature length, ACC anterior coccygeal curvature length, PCC posterior coccygeal curvature length, LTL-1, 2, 3 lengths of transverse lines, IFHR-3, IFHL-2, 3 right-left interforaminal height, ASW anterior sacral width, LRFA-S the distance between left and right auricular surface, S1-S, S1-T : S1 sagittal and transverse vertebrae length, SD standard deviation; *p< 0.05