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Relation between radiological changes and treatment techniques in the present and previous studies
| 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 | |||||
