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Table 3 Pearson correlation (r) and p values of variables with axillary and lung dose

From: Dose to level I and II axillary lymph nodes and lung by tangential field radiation in patients undergoing postmastectomy radiation with tissue expander reconstruction

  r value: % Axillary VD95% p value r value: % Ipsilateral Lung VD50% P value
HH to Expander 0.13 0.56 0.005 0.98
HH to Exp/HH to XP 0.16 0.46 0.03 0.88
Expander Angle -0.25 0.24 0.41 0.05
Expander Distance 0.34 0.28 0.50 0.10
Ipsi Exp Volume 0.51 0.012 0.01 0.95
Ipsi Exp Vol* 0.18 0.60 0.21 0.54
Ipsi Exp Vol† 0.70 0.01 0.10 0.77
Contralat Exp Volume 0.76 0.006 0.19 0.56
Axillary Volume 0.52 0.011 N/A N/A
  1. * Only patients with ipsilateral expanders
  2. † Only patients with bilateral expanders