Table 1.

Krippendorff’s alpha, each value is calculated considering all observers within one observer’s ROI.

Observer	Krippendorff’s alpha (95% CI)
Observer 1	0.46 (0.30 to 0.61)
Observer 2	0.31 (0.18 to 0.42)
Observer 3	0.69 (0.55 to 0.80)
Observer 4	0.49 (0.35 to 0.60)
Observer 5	0.57 (0.41 to 0.70)