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Table 1 Intraclass correlation coefficients for each observer

From: Reliability of fetal nasal bone length measurement at 11–14 weeks of gestation

Examiners Intraclass correlation coefficients 95% Confidence interval
1 0.840 0.787-0.884
2 0.939 0.894-0.968
3 0.929 0.819-0.979
4 0.884 0.745-0.958
5 0.882 0.724-0.960
6 0.937 0.875-0.972