Skip to main content

Table 2 Interrater agreement: intra-class correlation coefficient (ICC) and mean difference (degree) between readers 1 and 2 with corresponding limits of agreement

From: Ultra-low-dose computed tomography for torsion measurements of the lower extremities in children and adolescents

  Femoral neck Femoral condyle Tibial head Ankle
Mean difference (limits of agreement), 100% 0.6 (− 2.1 to 3.3) − 0.0 (− 1.1 to 1.0) 0.1 (− 1.9 to 2.0) − 0.4 (− 1.9 to 1.2)
Mean difference (limits of agreement), 70% 0.7 (− 1.8 to 3.1) − 0.1 (− 1.1 to 0.9) 0.1 (− 1.8 to 2.0) − 0.3 (− 1.7 to 1.1)
Mean difference (limits of agreement), 50% 0.9 (− 1.8 to 3.5) − 0.1 (− 1.2 to 1.0) 0.2 (− 1.8 to 2.1) − 0.3 (− 1.8 to 1.3)
Mean difference (limits of agreement), 30% 1.0 (− 1.7 to 3.6) − 0.1 (− 1.2 to 1.0) 0.2 (− 1.9 to 2.4) − 0.2 (− 1.5 to 1.1)
ICC (95% CI), 100% 0.991 (0.985–0.994) 0.999 (0.998–0.999) 0.994 (0.992–0.996) 0.997 (0.994–0.998)
ICC (95% CI), 70% 0.992 (0.985–0.995) 0.999 (0.998–0.999) 0.994 (0.993–0.996) 0.997 (0.996–0.998)
ICC (95% CI), 50% 0.99 (0.977–0.995) 0.999 (0.998–0.999) 0.994 (0.992–0.995) 0.997 (0.996–0.998)
ICC (95% CI), 30% 0.989 (0.971–0.995) 0.998 (0.998–0.999) 0.993 (0.99–0.994) 0.998 (0.997–0.999)