Table 2.

Changes in diagnostic accuracy according to the reader’s previous experience

	Standard			Standard + forced diuretic late-phase			p
	Accuracy (%)	Kappa	95% CI	Accuracy (%)	Kappa	95% CI
General accuracy
Low experience	74.5%	0.52	0.42–0.62	80%	0.61	0.51–0.71	0.19
Intermediate experience	71.5%	0.48	0.39–0.58	74%	0.48	0.37–0.59	0.57
High experience	81%	0.62	0.52–0.72	84%	0.65	0.55–0.75	0.43
Local accuracy
Low experience	76.5%	0.40	0.29–0.52	84%	0.56	0.44–0.69	0.05
Intermediate experience	77.5%	0.41	0.29–0.53	76.5%	0.37	0.25–0.50	0.81
High experience	80%	0.46	0.35–0.58	83%	0.51	0.39–0.63	0.44
Nodal accuracy
Low experience	78%	0.52	0.42–0.63	83.5%	0.63	0.52–0.73	0.16
Intermediate experience	77.5%	0.50	0.38–0.61	84%	0.63	0.52–0.74	0.09
High experience	79.5%	0.52	0.42–0.63	86.5%	0.66	0.56–0.77	0.06