Table 3: DIBH vs. free breating techniques.
Characteristic Percentiles
N Mean SD Min Max. 25th 50th(Median) 75th IQR Z sig.
DIBH Ipsilat Lung max (cm)
Free Breathing Ipsilat Lung max (cm)		 20
20		 2.74
2.46		 0.88
0.79		 1.40
1.70		 6.00
5.20		 2.40
1.93		 2.60
2.30		 2.98
2.70		 0.58
0.78		 -3.072 .002
DIBH Ipsilat Lung V20
Free Breathing Ipsilat Lung V20		 20
20		 13.54%
88.78%		 5.01%
325.42%		 6.17%
8.05%		 30.04%
1471.00%		 10.97%
11.38%		 12.33%
13.92%		 15.20%
22.40%		 4.24%
11.03%		 -2.576 .010
DIBH lung V20
Free Breathing Lung V20		 20
20		 6.24%
7.26%		 2.32%
3.26%		 2.82%
3.35%		 14.24%
17.58%		 5.17%
4.92%		 5.84%
6.45%		 6.51%
8.48%		 1.34%
3.56%		 -2.296 .022
DIBH Heart V25
Free Breathing Heart V25		 20
20		 0.31%
2.90%		 0.31%
1.96%		 0.00%
0.83%		 1.30%
7.32%		 0.05%
1.25%		 0.26%
2.41%		 0.50%
4.10%		 0.46%
2.86%		 -3.921 <.001
DIBH Heart (Gy)
Free Breathing Heart Mean (Gy)		 20
20		 1.55
2.92		 0.63
1.22		 0.82
1.40		 3.00
5.10		 1.10
1.90		 1.43
2.70		 1.78
3.68		 0.68
1.78		 -3.921 <.001
DIBH Contralat Breast V3
Free Breathing Contralat Breast V3		 20
20		 1.29%
2.13%		 3.49%
6.07%		 0.00%
0.00%		 12.72%
25.67%		 0.00%
0.00%		 0.00%
0.00%		 0.47%
0.36%		 0.47%
0.36%		 -0.711 .477
DIBH LAD mean (Gy)
Free Breathing LAD Mean (Gy)		 97
6.85		 20.87
3.43		 7.21
2.50		 6.90
11.80		 27.80
3.65		 16.90
7.70		 23.40
9.83		 26.60
6.18		 9.70 -2.201 .028