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Table 2 Spearman’s rank correlation test

From: Approach and assessment of automated stereotactic radiotherapy planning for early stage non-small-cell lung cancer

  Lung dose Beam angle
Mean V 20 V 10 Start Stop
V PTV
 ρ 0.747* 0.693* 0.731* –0.033 –0.099
 P 0.000 0.000 0.000 0.717 0.273
V Lung
 ρ − 0.196* − 0.205* − 0.235* 0.073 0.021
 P 0.029 0.022 0.008 0.416 0.813
V Heart
 ρ 0.014 0.005 0.023 − 0.077 -0.124
 P 0.876 0.953 0.795 0.396 0.168
D PL
 ρ − 0.508* − 0.519* − 0.467* 0.182* 0.234*
 P 0.000 0.000 0.000 0.042 0.009
D PH
 ρ − 0.241* − 0.233* − 0.203* − 0.432* − 0.412*
 P 0.007 0.009 0.023 0.000 0.000
OVZPL
 ρ 0.654* 0.639* 0.583* − 0.33 − 0.66
 P 0.000 0.000 0.000 0.713 0.466
OVZPH
 ρ 0.385* 0.381* 0.254* − 0.075 − 0.061
 P 0.000 0.000 0.004 0.404 0.496
X PL
 ρ − 0.098 − 0.154 − 0.075 0.762* 0.745*
 P 0.277 0.087 0.405 0.000 0.000
Y PL
 ρ − 0.100 − 0.155 − 0.074 0.758* 0.740*
 P 0.265 0.085 0.415 0.000 0.000
X PH
 ρ − 0.113 − 0.169 − 0.106 0.756* 0.729*
 P 0.211 0.059 0.240 0.000 0.000
Y PH
 ρ − 0.068 − 0.114 − 0.109 − 0.169 − 0.078
 P 0.449 0.207 0.225 0.059 0.385
  1. *Significant correlation