Table 4.

Intraclass correlation coefficient (ICC) estimates for intra-operator reliability and their 95% confidence intervals

	Operator 1		Operator 2
Group	ICC	95% Confidence interval (Lower bound–upper bound)	ICC	95% Confidence interval (Lower bound–upper bound)
1	0.984	0.956–0.997	0.976	0.937–0.996
2	0.992	0.975–0.999	0.982	0.953–0.997
3	0.984	0.956–0.997	0.985	0.961–0.998
4	0.987	0.958–0.999	0.979	0.941–0.997
5	0.983	0.951–0.998	0.966	0.906–0.996
6	0.990	0.968–0.999	0.978	0.937–0.997
7	0.981	0.945–0.998	0.986	0.961–0.998