Table 4 Setup displacement (mean ± standard deviation in mm) in three translational directions according to lower and higher 50% percentile of body-related factors during RT (20th fraction)

rC (level A)

Lower (<1)

1.4 ± 0.5

1.0 ± 0.2

2.5 ± 0.9

1.8 ± 0.9

1.6 ± 0.7

1.0 ± 0.3

Higher (>1)

0.9 ± 0.5

0.7 ± 0.2

2.0 ± 1.0

1.2 ± 0.5

2.0 ± 0.6

1.1 ± 0.4

p value

0.019*

0.019*

0.093

0.025*

0.101

0.854

rT (level A)

Lower (<0.94)

1.3 ± 0.6

0.9 ± 0.3

2.5 ± 1.2

1.7 ± 0.8

2.2 ± 0.6

1.1 ± 0.3

Higher (>0.94)

1.0 ± 0.5

0.8 ± 0.2

2.0 ± 0.6

1.3 ± 0.7

1.5 ± 0.6

1.0 ± 0.4

p value

0.325

0.325

0.461

0.050

0.013*

0.217

rBW

Lower (<0.95)

1.2 ± 0.5

0.9 ± 0.2

2.5 ± 1.0

1.5 ± 0.5

1.8 ± 0.6

1.1 ± 0.4

Higher (>0.95)

1.1 ± 0.6

0.9 ± 0.3

2.0 ±1.0

1.5 ± 1.0

1.9 ± 0.7

1.0 ± 0.3

p value

0.377

0.608

0.193

0.334

0.790

0.608