Table 3 Relationship between the dosimetric variables of the SWOARs and the degree of late dysphagia.
SWOARs | Grade 0–1 | Grade 2 | p value |
---|---|---|---|
PCM D mean | 57.1 ± 3.1 | 60.3 ± 3.7 | <0.001 |
SCM | |||
D mean | 65.8 ± 4.9 | 68.7 ± 3.8 | 0.001 |
V50 | 100(100,100) | 100(100, 100) | 0.281 |
V60 | 90.6(76.0,100) | 99.4(91.9,100.0) | 0.002 |
MCM | |||
D mean | 55.9 ± 4.3 | 58.8 ± 5.2 | 0.001 |
V50 | 81.7 (68.4,93.6) | 95.6(84.7,100.0) | 0.001 |
V60 | 28.2 (6.0, 46.2) | 39.2 (19.6,65.8) | 0.009 |
ICM | |||
D mean | 46.1 ± 3.4 | 49.5 ± 5.1 | 0.001 |
V50 | 16.0 (6.2,29.6) | 31.9 (21.9,59.8) | <0.001 |
V60 | 0.9 (0.0,3.8) | 1.6(0.0,5.1) | 0.098 |
CPM | |||
D mean | 45.2 ± 4.2 | 45.2 ± 8.7 | 0.990 |
V50 | 8.6 (1.2,28.7) | 12 (8.2,42.0) | 0.108 |
V60 | 0 (0,0) | 0 (0,0) | 0.121 |
EIM | |||
D mean | 42.8 (40.1,45.7) | 44.4 (40.5,46.9) | 0.223 |
V50 | 0 (0.0,6.8) | 0.6 (0.0,13.5) | 0.210 |
V60 | 0 (0,0) | 0 (0,0) | 0.755 |