Table 2 Comparison between the preoperative dyspnea, CXR, DUS, and RFT, and the postoperative follow-up at 1 week and 6 months
Variable | Preoperative (I) | Postoperative | P values I & II | P values I & III | |
|---|---|---|---|---|---|
1 week (II) | 6 months (III) | ||||
Dyspnea | |||||
I | 0 | 4 (10%) | 7 (17.5%) | < 0.001 | < 0.001 |
II | 3 (7.5%) | 29 (72.5%) | 28 (70%) | ||
III | 28 (70%) | 6 (15%) | 5 (13.5%) | ||
IV | 9 (22.5%) | 1 (2.5%) | 0 | ||
CXR: Height of diaphragm (cm) | 10.1 ± 2.8 | 3.7 ± 1.2 | 2.6 ± 0.9 | < 0.001 | < 0.001 |
DUS | 10.3 ± 2.2 | 3.1 ± 1.1 | 2.3 ± 0.5 | < 0.001 | < 0.001 |
Height of diaphragm (cm) | |||||
Diaphragmatic thickness (mm) | 2.1 ± 0.5 | 2.7 ± 0.3 | 2.9 ± 0.2 | < 0.001 | < 0.001 |
Diaphragmatic movement | |||||
Normal motility | 0 | 40 | 40 | < 0.001 | < 0.001 |
No movement | 10 | 0 | 0 | ||
Paradoxical | 30 | 0 | 0 | ||
Degree of excursion in normal breath (mm) | 15 ± 6.2 | 25 ± 4.3 | 28 ± 5.2 | < 0.001 | < 0.001 |
Complications (effusion or organ injury) | No | No | |||
RFT: | |||||
FVC (mean ± SD %) | 58.8 ± 8 | 66.7 ± 6 | 68.8 ± 5.7 | < 0.001 | < 0.001 |
FEV1 (mean ± SD %) | 70.9 ± 10.3 | 78.2 ± 9.8 | 80.4 ± 10.3 | 0.002 | < 0.001 |