Table 1: Test of normality-DIBH vs. free breathing group variables.
Characteristic Shapiro-Wilk
Statistic Df Sig.
DIBH Ipsilat Lung max (cm) .711 20 <.001
DIBH Ipsilat Lung V20 .853 20 .003
DIBH lung V20 0791 20 .001
DIBH Heart V25 .831 20 .003
DIBH Heart (Gy) .880 20 .018
DIBH Contralat Breast V3 .420 20 <.001
DIBH LAD mean (Gy) .911 9 .325
Free Breathing Ipsilat Lung max (cm) .778 20 <.001
Free Breathing Ipsilat Lung V20 .252 20 <.001
Free Breathing Lung V20 .850 20 .005
Free Breathing Heart V25 .886 20 .023
Free Breathing Heart Mean (Gy) .898 20 .038
Free Breathing Contralat Breast V3 .415 20 <.001
Free Breathing LAD Mean (Gy) .883 7 .238