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Table 2 Correlation coefficients between patient characteristics and translational setup errors

From: Does the protocol-required uniform margin around the CTV adequately account for setup inaccuracies in whole breast irradiation?

Characteristics Median (range) Correlation coefficients
LR SI AP
Age (years) 47 (29–71) 0.03 0.14 − 0.01
BMI (kg/m2) 23.8 (17.4–29.6) − 0.07 0.40* 0.01
CC (cm) 89 (74–107) 0.19 0.43* 0.08
BV (cm3) 657 (264–1438) 0.42* 0.22* 0.06
  1. LR left–right direction, SI superior–inferior direction, AP anterior–posterior direction, BMI body mass index, CC chest circumference, BV breast volume
  2. *P < 0.05