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Table 2 Summary of quantitative measures for structures for the HR case benchmarking study patient

From: Automatic segmentation of male pelvic anatomy on computed tomography images: a comparison with multiple observers in the context of a multicentre clinical trial

CTV      
Observer ViPlan (cm3) Δ V iPlan Obs (%) VObsiPlan (cm3) DSC Obs iPlan I Obs ObsiPlan
iPlan 54.0 - - - -
H 50.2 −6.9 40.3 0.77 0.80
A 75.2 39.4 51.0 0.79 0.68
I 60.0 11.2 48.0 0.84 0.80
B 84.3 56.3 50.8 0.74 0.60
C 41.2 −23.6 35.8 0.75 0.87
D 87.0 61.2 52.1 0.74 0.60
E 78.6 45.6 46.2 0.70 0.59
F 70.8 31.2 47.6 0.76 0.67
J 158.8 194.3 54.0 0.51 0.34
K 82.5 53.0 48.8 0.72 0.59
L 62.8 16.4 47.1 0.81 0.75
Mean A-F, H-L (SD) 77.4 (30.7) 43.5 (56.8) 47.4 (5.3) 0.74 (0.09) 0.66 (0.15)
BLADDER      
Observer ViPlan (cm3) Δ V Obs iPan (%) VObsiPlan (cm3) DSC Obs iPlan I iPlan Obs
iPlan 160.3 - - - -
H -a -a -a -a -a
A 172.9 7.9 153.4 0.92 0.89
I 152.6 −4.8 147.6 0.94 0.97
B 165.7 3.4 151.5 0.93 0.91
C 157.8 −1.6 146.9 0.92 0.93
D 158.2 −1.3 145.8 0.92 0.92
E 164.4 2.6 152.3 0.94 0.93
F 149.5 −6.7 140.0 0.90 0.94
J 184.9 15.3 153.1 0.89 0.83
K 169.1 5.5 152.1 0.92 0.90
L 172.7 7.7 139.2 0.84 0.81
Mean A-F, H-L (SD) 164.8 (10.7) 2.8 (6.7) 148.2 (5.3) 0.91 (0.03) 0.90 (0.05)
RECTUM      
Observer ViPlan (cm3) Δ V Obs iPan (%) VObsiPlan (cm3) DSC Obs iPlan I Obs ObsiPlan
iPlan 62.3 - - - -
H 49.6 −20.5 40.3 0.72 0.81
A 63.9 2.5 47.2 0.75 0.74
I 53.9 −13.5 45.0 0.77 0.84
B 60.4 −3.1 46.8 0.76 0.77
C 39.8 −36.2 31.1 0.61 0.78
D 58.0 −7.0 45.5 0.76 0.78
E 52.2 −16.3 46.1 0.80 0.88
F 51.2 −17.9 44.3 0.78 0.87
J 65.1 4.4 48.1 0.76 0.74
K 44.7 −28.3 35.1 0.66 0.79
L 67.6 8.4 52.2 0.80 0.77
Mean A-F, H-L (SD) 55.1 (8.8) −11.6 (14.1) 43.8 (6.1) 0.74 (0.06) 0.80 (0.05)
  1. a Outline missing.