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Table 3 Rectal area and volume correlations with SV movements

From: Seminal vesicle interfraction displacement and margins in image guided radiotherapy for prostate cancer

 

Rectal contour using Method 1*

Rectal contour using Method 2*

Rectal area

Rectal volume

Rectal area

Rectal volume

Average correlations (R2)

SD

Average correlations (R2)

SD

Average correlations (R2)

SD

Average correlations (R2)

SD

Ant/Post

LSV

0.40

0.23

0.37

0.22

0.38

0.24

0.35

0.21

 

RSV

0.36

0.19

0.35

0.16

0.35

0.21

0.33

0.17

Sup/Inf

LSV

0.20

0.17

0.22

0.19

0.21

0.18

0.23

0.19

 

RSV

0.22

0.17

0.23

0.19

0.20

0.16

0.24

0.20

Left/Right

LSV

0.19

0.19

0.19

0.19

0.21

0.20

0.17

0.18

 

RSV

0.18

0.18

0.15

0.18

0.20

0.18

0.15

0.17

  1. * Rectal contouring methods have been described in the Methods and Materials section.