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Table 4 The absolute difference between two measurements

From: Grayscale inversion radiographic view provided improved intra- and inter-observer reliabilities in measuring spinopelvic parameters in asymptomatic adult population

 

Parameters

Standard view

Grayscale inversion view

P value

Mean ± S.D.

Mean ± S.D.

 

Observer 1

Thoracic kyphosis

2.89 ± 2.07

2.17 ± 2.36

0.214

Lumbar lordosis

2.84 ± 1.91

2.21 ± 1.63

0.175

Sagittal vertical axis

3.78 ± 3.01

2.07 ± 1.83

0.011

Pelvic incidence

3.23 ± 2.19

1.79 ± 2.21

0.014

Pelvic tilt

2. 89 ± 3.14

1.23 ± 1.91

0.016

Sacral slope

0.34 ± 2.83

0.56 ± 1.47

0.707

Observer 2

Thoracic kyphosis

2.87 ± 2.96

1.94 ± 2.07

0.164

Lumbar lordosis

3.11 ± 2.24

2.52 ± 2.24

0.160

Sagittal vertical axis

2.47 ± 2.38

1.48 ± 1.19

0.046

Pelvic incidence

3.16 ± 2.27

1.84 ± 1.73

0.014

Pelvic tilt

2.63 ± 2.31

1.43 ± 1.69

0.025

Sacral slope

0.53 ± 1.45

0.41 ± 1.39

0.744

  1. Values are expressed as mean ± standard deviation for continuous variables