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Table 2 DSCs of the CTV and ROIs, assessing auto-contours and inter-observer variability

From: Technology assessment of automated atlas based segmentation in prostate bed contouring

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)

  1. Mean DSC (SD, Range)
  2. AC = auto-contours
  3. STAPLE = Simultaneous Truth and Performance Level Estimation
  4. AB = atlas builder
  5. DSC = dice similarity coefficient
  6. SD = standard deviation