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Table 1 The mean values, standard deviation and differences between males and females on each parameter

From: Correlations between the sagittal plane parameters of the spine and pelvis and lumbar disc degeneration

 

n = 284

Male (n = 141)

Female (n = 143)

P

Age (year)

56.14 ± 10.76

59.00 ± 10.347

53.28 ± 10.521

0.018*

BMI (kg/m2)

24.24 ± 2.93

24.076 ± 2.90

24.406 ± 2.98

0.623

TK (°)

36.19 ± 9.25

36.92 ± 9.551

35.46 ± 9.011

0.489

LL (°)

42.47 ± 11.79

42.59 ± 12.684

42.36 ± 10.996

0.932

PI (°)

50.35 ± 12.00

47.885 ± 13.314

52.821 ± 10.110

0.069

SS (°)

30.19 ± 7.64

31.00 ± 7.483

29.38 ± 7.795

0.353

PT (°)

20.86 ± 9.29

18.28 ± 9.313

23.44 ± 8.629

0.013*

SVA (mm)

28.90 ± 37.09

36.77 ± 37.372

21.03 ± 35.549

0.060

TA (°)

23.79 ± 6.47

25.03 ± 7.054

22.56 ± 5.651

0.093

TPA (°)

16.06 ± 9.36

14.85 ± 10.114

17.28 ± 8.494

0.253

Location

3.83 ± 0.87

3.628 ± 0.916

4.038 ± 0.790

0.037*

Scope

2.14 ± 1.21

2.44 ± 1.334

1.85 ± 1.014

0.031 *

Extent

3.60 ± 0.69

3.74 ± 0.785

3.46 ± 0.555

0.071

Overall degree

21.27 ± 3.42

22.54 ± 3.582

20.00 ± 2.753

0.001**

  1. Note: t test (bilateral); *P < 0.05; **P < 0.01; the data in the Table are presented as the mean ± SD