Table 3.

V_err and V_diff statistics for each observer over 10 cases in semi-automatic contours (inter-observer variability analysis).

(a) Verr
%	Base	Mid	Apex
Ant.	3.39 ± 2.28	1.46 ± 0.57	3.58 ± 2.96
	2.57 ± 1.48	2.05 ± 0.86	3.11 ± 1.93
	4.08 ± 2.45	2.12 ± 1.11	3.16 ± 2.03
	3.24 ± 1.77	1.83 ± 1.04	4.49 ± 4.66
Lat.	3.29 ± 1.76	1.73 ± 0.46	4.22 ± 3.30
	2.86 ± 1.29	2.61 ± 1.21	4.59 ± 2.50
	3.57 ± 1.55	2.72 ± 1.52	4.44 ± 2.66
	3.33 ± 0.97	2.72 ± 2.59	5.33 ± 5.93
Post	4.63 ± 2.97	3.31 ± 1.82	5.13 ± 3.75
	5.62 ± 4.72	5.46 ± 4.53	8.24 ± 8.84
	4.96 ± 3.07	3.76 ± 2.13	5.76 ± 4.29
	4.61 ± 3.17	3.33 ± 2.64	5.72 ± 3.60
Total	2.59 ± 0.86
	3.22 ± 1.57
	3.23 ± 1.22
	3.11 ± 1.91

(b) Vdiff
%	Base	Mid	Apex
Ant.	0.59 ± 7.51	−0.14 ± 1.96	0.39 ± 9.40
	−0.58 ± 5.18	−2.55 ± 2.88	−1.92 ± 6.35
	−6.48 ± 5.60	−2.26 ± 3.22	−0.65 ± 6.06
	−1.41 ± 6.51	−2.25 ± 2.75	−6.15 ± 9.11
Lat.	0.37 ± 7.08	−0.81 ± 1.70	−1.32 ± 10.16
	−0.86 ± 4.68	−2.65 ± 3.34	−3.52 ± 8.39
	−1.44 ± 6.45	1.82 ± 5.36	6.26 ± 7.04
	−2.34 ± 5.55	−2.76 ± 5.61	−4.00 ± 12.34
Post	−4.16 ± 9.16	−4.26 ± 5.40	−3.53 ± 11.34
	−5.97 ± 11.43	−6.22 ± 10.69	−8.86 ± 17.73
	3.80 ± 11.26	4.84 ± 7.28	9.74 ± 11.30
	1.38 ± 10.82	0.22 ± 8.42	−2.49 ± 12.89
Total	−1.10 ± 2.52
	−3.02 ± 3.46
	1.55 ± 4.12
	−2.36 ± 4.76