Table 2.

Reliability and reproducibility of the evaluated study parameters

Parameters	ICC/Kappa intraobserver 1*	ICC/Kappa intraobserver 2*	ICC/Kappa interobserver*
Depth	0.95 (0.89 – 0.98)	0.94 (0.86 – 0.97)	0.82 (0.66 – 0.91)
Diameter	0.90 (0.78 – 0.95)	0.93 (0.85 – 0.97)	0.80 (0.66 – 0.90)
Circumference	0.93 (0.85 – 0.97)	0.95 (0.90 – 0.98)	0.88 (0.83 – 0.92)
Cross-sectional area	0.94 (0.87 – 0.97)	0.92 (0.82 – 0.97)	0.81 (0.69 – 0.90)
Classification of Goutallier et al. [11]	0.85 (0.70 – 1.00)	0.80 (0.61 – 0.98)	0.79 (0.72 – 0.87)

ICC = intraclass correlation coefficient; * mean (95% confidence interval).