TABLE 2

Interobserver Agreement and Agreement with Actual Diagnostic Outcome for Interpretive Rounds 1 and 2

	Versus observer	Conventional method alone		All 3 processing methods
Observer	Versus observer	R²	κ	R²	κ
One	Two	0.437	—	0.512	—
	Three	0.578	—	1.0	—
	Four	0.512	—	0.793	—
Two	Three	0.439	0.436	0.512	—
	Four	0.441	0.367	0.800	0.574
Three	Four	0.632	0.673	0.793	—

Cohen's κ-coefficient could not be calculated when no false-positives and false-negatives existed for an observer.