Chest wall | Chest wall plus lymph nodes | |||||
---|---|---|---|---|---|---|
Characteristics | IBR+ n = 59 | IBR- n = 162 | P-value¶ | IBR+ n = 73 | IBR- n = 73 | P-value¶ |
CTV | ||||||
Volume, cm3 | 629.4 [283.4] | 458.4 [273.6] | <0.001 | 1074.7 [263.0] | 787.9 [289.0] | <0.001 |
Mean dose, Gy | 50.2 [0.9] | 50.7 [4.1] | 0.31 | 50.4 [0.6] | 50.4 [0.6] | 0.97 |
V95%, % a | 91.2 [5.3] | 91.4 [8.4] | 0.83 | 93.7 [3.2] | 93.3 [4.4] | 0.43 |
V95%, cm3b | 572.2 [248.9] | 417.0 [252.1] | <0.001 | 1006.7 [251.6] | 733.9 [270.0] | <0.001 |
V105%, % a | 10.8 [8.2] | 15.3 [12.1] | 0.009 | 11.8 [6.6] | 12.9 [6.1] | 0.17 |
V105%, cm3b | 61.0 [37.9] | 65.8 [56.6] | 0.55 | 128.7 [79.6] | 104.8 [68.6] | 0.007 |
Rib cage† | ||||||
Transverse diameter, cm | 23.5 [1.2] | 23.5 [1.5] | 0.70 | 24.2 [1.6] | 23.4 [1.5] | <0.001 |
Anterioposterior diameter, cm | 9.5 [1.5] | 10.3 [1.5] | <0.001 | 9.8 [1.3] | 10.3 [1.5] | 0.006 |
Ipsilateral internal diameter, cm | 14.2 [1.3] | 15.5 [1.6] | <0.001 | 14.6 [1.4] | 15.3 [1.6] | <0.001 |
Chest wall index | 2.5 [0.5] | 2.3 [0.4] | <0.001 | 2.5 [0.4] | 2.3 [0.4] | <0.001 |