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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