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Table 5 Intraobserver and interobserver reliabilities

From: Evaluation of anatomical pelvic parameters between normal, healthy men and women using three-dimensional computed tomography: a cross-sectional study of sex-specific and age-specific differences

 

Intraobserver reliability

Interobserver reliability

MAD ± 2SD

ICC

MAD ± 2SD

ICC

PI (°)

1.8 ± 3.0

0.946

2.1 ± 3.2

0.923

Anatomical-PT (°)

0.7 ± 0.8

0.963

0.8 ± 0.9

0.952

Anatomical-SS (°)

1.8 ± 2.5

0.890

2.2 ± 3.4

0.876

Total distance (mm)

1.7 ± 1.5

0.965

1.8 ± 1.6

0.958

DYp (mm)

0.7 ± 1.2

0.972

0.8 ± 1.5

0.967

DZp (mm)

0.8 ± 0.9

0.976

1.0 ± 1.9

0.961

  1. PI pelvic incidence, PT pelvic tilt, SS sacral slope, DYp distance of the Yp coordinate, DZp distance of the Zp coordinate, MAD mean absolute difference, SD standard deviation, ICC interclass correlation coefficient