Skip to main content

Table 2 Intermethod agreement for all combinations between the four tested methods

From: Tibial torsion analysis in computed tomography: development and validation of a real 3D measurement technique

Intermethod agreement ICC (95% CI) Mean value, t test
Jakob vs. Goutallier 0.996 (0.994–0.998) 30.1 vs. 24.1° (p < 0.001)
MD: 5.9 ± 2.6° (range 0.3–12.7°)
Jakob vs. 3D-TF 0.783 (0.684–0.853) 30.1 vs. 28.1° (p = 0.033)
MD: 2.0 ± 8.5° (range − 23.5–24.6°)
Jakob vs. 3D-T 0.715 (0.481–0.834) 30.1 vs. 25.2° (p < 0.001)
MD: 4.9 ± 9.6° (range − 16.4–26.3°)
Goutallier vs. 3D-TF 0.795 (0.681–0.868) 24.1 vs. 28.1 (p < 0.001)
MD: − 3.9 ± 8.7° (range − 31.6–16.6°)
Goutallier vs. 3D-T 0.729 (0.581–0.825) 24.1 vs. 25.2 (p = 0.348)
 − 1.0 ± 9.9° (range − 24.5–19.9°)
3D-TF vs. 3D-T 0.950 (0.860–0.977) 28.1 vs. 25.2° (p < 0.001)
MD: 2.9 ± 4.5° (range − 10.2–12.0°)
  1. ICC intraclass correlation coefficients, CI confidence interval, MD mean difference