Table 4.

Changes in diagnostic accuracy according to the reader’s level of confidence

	Standard			Standard + forced diuretic late-phase			p
	Accuracy (%)	Kappa	95% CI	Accuracy (%)	Kappa	95% CI
Local accuracy
Low/intermediate confidence	70.4%	0.43	0.32–0.53	73.4%	0.46	0.35–0.57	0.47
High confidence	87.9%	0.62	0.52–0.72	88.2%	0.64	0.54–0.74	0.89
Nodal accuracy
Low/intermediate confidence	68.1%	0.38	0.26–0.49	78.5%	0.57	0.45–0.68	< 0.05
High confidence	90.2%	0.75	0.69–0.82	91.4%	0.79	0.72–0.85	0.55