Table 4. The true background, vein, artery and predicted background, vein, artery for DRIVE and RVEAL 1, 2, 3.

	DRIVE			REVEAL 1			REVEAL 2			REVEAL 3
	Pbkg	Pv	Pa	Pbkg	Pv	Pa	Pbkg	Pv	Pa	Pbkg	Pv	Pa
GTbkg	26.50	0.57	0.69	44.77	1.08	1.12	34.45	0.95	0.95	171.81	2.17	1.60
GTv	0.07	1.12	0.12	0.08	1.52	0.09	0.14	1.40	0.10	0.58	2.59	0.31
GTa	0.07	0.12	1.00†	0.09	0.08	1.00†	0.14	0.13	1.00†	0.58	0.41	1.00†