717 / 1161
@RT_physics
Cohort
N
Variable
p-value
HR
(right shift )
Left Tumours
261 Mean lateral shift
0.025
0.723
ECOG-PS
0.032
1.224
Age
0.430
1.007
Fractionation
0.044
0.966
Ln(GTV)
0.002
1.263
Right Tumours
367 Mean lateral shift
0.007
1.401
ECOG-PS
0.094
1.132
Age
0.340
1.006
Fractionation
<0.001
0.943
Ln(GTV)
<0.001
1.457
Effects are opposite for left
and right tumours
Right Left
Left shift
Right Left
Left shift