Table 3 PTV and OAR volumes evaluated from the free-breathing and breath-hold CT datasets and corresponding p-value
Free breathing volume (cc) | Breath hold volume (cc) | Breath hold versus free breathing ΔVOLUME (%) | p | |
|---|---|---|---|---|
aPTV | 524 (203.4 ÷ 990.1) | 535.7 (252.4 ÷ 1005.1) | − 0.03 (− 6.08 ÷ 8.25) | 0.064 |
Heart | 589.4 (414.1 ÷ 866.6) | 584.6 (410.9 ÷ 917.9) | 0.14 (− 8.30 ÷ 7.91) | 0.106 |
Left Lung | 1046.4 (600.1 ÷ 1837.5) | 1835.3 (1033.4 ÷ 2629.0) | 75.10 (25.59 ÷ 139.70) | 0.001 |