TABLE I.

Volume error.

		Mean ± std	Mean ± std	Mean ± std	Mean ± std
Initial	vabs (ml)	283.5 ± 152.5
	vr (%)	7.90 ± 3.62
		Expert 1	Expert 2	Expert 3	2D
CBR	vabs (ml)	154.2 ± 40.6	153.6 ± 41.0	163.3 ± 44.7	N/A
	vr (%)	4.46 ± 0.86	4.43 ± 0.86	4.71 ± 0.96	N/A
MBR/final	vabs (ml)	131.9 ± 32.5	128.4 ± 30.0	126.2 ± 28.2	138.6 ± 38.7
	vr (%)	3.81 ± 0.63	3.72 ± 0.59	3.69 ± 0.60	4.00 ± 0.74