Frequency of abnormal lung function before and after surgery for atrial septal defect
| Before (n = 26) | After (n = 24) | p | |||||||
|---|---|---|---|---|---|---|---|---|---|
| n | % | n | % | ||||||
| Lung volume restriction | 2 | 7.7 | 3 | 8.3 | NS | ||||
| Hyperinflation | 5 | 19.2 | 1 | 4.2 | NS | ||||
| Stiff lung | 12 | 46.2 | 9 | 37.5 | NS | ||||
| Emphysematous lung | 2 | 7.7 | 1 | 4.2 | NS | ||||
| Airway obstruction | NS | ||||||||
| Central | 4 | 15.4 | 0 | 0 | < 0.05 | ||||
| Peripheral | 4 | 15.4 | 4 | 16.7 | NS | ||||
| Total | 18 | 69.2 | 12 | 50.0 | NS | ||||