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Table 1 Overview of interrater agreement and reader analysis

From: The impact of limb loading and the measurement modality (2D versus 3D) on the measurement of the limb loading dependent lower extremity parameters

INTERRATER AGREEMENT ICC

 

2D WB

2D NWB

3D

HKA (95% CI)

0.996 (0.994–0.998)

0.987 (0.980–0.991)

0.988 (0.981–0.992)

JLCA (95% CI)

0.783 (0.684–0.853)

0.694 (0.563–0.790)

0.844 (0.743–0.903)

READER ANALYSIS

 

2D WB

2D NWB

3D

HKA

 Reader 1: Mean (range)

5.4 (−10.5–19.5)

4.4 (6.3–15.3)

4.2 (− 7.2–19.8)

 Reader 2: Mean (range)

5.5 (−10.9–19.2)

4.5 (− 5.7–14.8)

4.3 (−8.2–19.6)

 MAD: Mean ± SD

0.3 ± 0.3

0.4 ± 0.4

0.4 ± 0.5

JLCA

 Reader 1: Mean (range)

2.2 (−9.8–12.6)

1.2 (− 5.6–7.0)

3.3 (−6.0–10.6)

 Reader 2: Mean (range)

2.2 (− 5.3–9.7)

1.2 (− 3.9–5.9)

3.8 (−4.0–9.5)

 MAD: Mean ± SD

1.3 ± 1.2

1.2 ± 1.0

0.9 ± 0.9

  1. Intraclass correlation coefficient (ICC), two-dimensional (2D), three-dimensional (3D), weight-bearing (WB), non-weight-bearing (NWB), hip-knee-ankle angle (HKA), joint line convergence angle (JLCA), confidence interval (CI), mean absolute difference (MAD), and standard deviation (SD)