Research Article
Application of CT Image Technology Based on Nearest Neighbor Propagation Clustering Segmentation Algorithm in Lung Cancer Radiotherapy
Table 2
Comparison of normal tissue dose distribution parameters of different radiotherapy plans.
| | Dose distribution parameters | CT | PET/CT | t value | value |
| | Double lungs V20 (%) | 26.45 ± 4.72 | 23.43 ± 5.11 | 6.668 | <0.01 | | Double lungs V30 (%) | 19.46 ± 3.07 | 17.76 ± 3.41 | 2.299 | <0.05 | | Spinal cord maximum dose (cGy) | 3654 ± 468 | 3447 ± 420 | 1.258 | >0.05 | | Cardiac mean dose (cGy) | 1682 ± 937 | 1619 ± 903 | 0.725 | >0.05 | | Esophageal average dose (cGy) | 3057 ± 548 | 2839 ± 661 | 0.916 | >0.05 |
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