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Comparative analysis for each group before and after SBT regarding the number of Lung segments showing B pattern
| Number of Lung segments showing B pattern | Group I | Group II | ||||
| Before SBT | After SBT | P value | Before SBT | After SBT | P value | |
| 1.19 ± 1.01 | 1.75 ± 1.54 | 0.004 | 1.54 ± 66 | 4.71 ± 1.90 | < 0.001 | |
