Table 1 Relation between radiological changes and treatment techniques in the present and previous studies
From: Reduction of radiation pneumonitis by V20-constraints in breast cancer
Technique | LRRT+ IMN; n | LRRT-IMN; n | ||||
|---|---|---|---|---|---|---|
Arrigada's classification scores | 0 | 1-3 | 4-9 | 0 | 1-3 | 4-9 |
Present study | 60 | 11 | 1 | 5 | 4 | 0 |
Previous study | 58 | 38 | 20 | 12 | 9 | 0 |
Chi square trend test p < 0.001 | Chi square trend test p = 0.9 | |||||