Table 2.

DSCs of the CTV and ROIs, assessing auto-contours and inter-observer variability

Variables	AC vs. STAPLE	Edited AC vs. STAPLE	AC vs. Expert Panel	STAPLE vs. Expert Panel	Observers vs. Other Observers	AB vs. STAPLE
Prostate Bed	0.48 (0.17, 0.18-0.59)	0.67 (0.19, 0.18-0.91)	0.47 (0.16, 0.11-0.64)	0.78 (0.15, 0.37-0.91)	0.65 (0.14, 0.29-0.84)	0.93 (0.03, 0.90-0.96)
Bladder	0.67 (0.19, 0.34-0.80)	0.88 (0.13, 0.34-0.97)	0.67 (0.18, 0.33-0.81)	0.96 (0.02, 0.92-0.98)	0.94 (0.03, 0.87-0.97)	0.97 (0.01, 0.95-0.99)
Left Femoral Head	0.92 (0.01, 0.92-0.93)	0.93 (0.01, 0.92-0.97)	0.83 (0.18, 0.43-0.93)	0.87 (0.19, 0.47-0.98)	0.76 (0.23, 0.42-0.99)	0.96 (0.01, 0.95-0.98)
Right Femoral Head	0.92 (0.01, 0.91-0.93)	0.92 (0.01, 0.90-0.96)	0.83 (0.17, 0.45-0.94)	0.87 (0.19, 0.46-0.98)	0.77 (0.23, 0.46-0.99)	0.97 (0.01, 0.95-0.98)
Penile Bulb	0.33 (0.25, 0.10-0.70)	0.54 (0.21, 0.10-0.78)	0.31 (0.23, 0-0.78)	0.70 (0.17, 0-0.88)	0.55 (0.22, 0-0.84)	0.84 (0.07, 0.75-0.94)
Rectum	0.59 (0.11, 0.48-0.77)	0.78 (0.12, 0.49-0.90)	0.58 (0.09, 0.45-0.77)	0.89 (0.06, 0.67-0.94)	0.83 (0.07, 0.65-0.91)	0.94 (0.02, 0.92-0.96)

Mean DSC (SD, Range)

AC = auto-contours

STAPLE = Simultaneous Truth and Performance Level Estimation

AB = atlas builder

DSC = dice similarity coefficient

SD = standard deviation