Table 1.
Clinical features and CT findings in comparison with the presence of PPFE-like lesions.
| All | With PPFE-like lesion | Without PPFE-like lesions | P value | With PPF-like lesions below the aortic arch | Without PPFE-like lesions below the aortic arch | P value | |
|---|---|---|---|---|---|---|---|
| Sex (M/F) | 113/94 | 87/73 | 26/21 | 0.91 | 38/27 | 75/67 | 0.45 |
| Age | 62.6 ± 8.3 | 63.0 ± 7.6 | 61.2 ± 10.5 | 0.61 | 63.9 ± 7.2 | 62.0 ± 8.8 | 0.18 |
| Smoking history (never/former and current) | 84/123 | 69/91 | 15/32 | 0.17 | 30/35 | 54/88 | 0.27 |
| BMI | 23.3 ± 3.5 | 22.6 ± 3.2 | 25.7 ± 3.6 | <0.001 | 22.2 ± 3.6 | 23.8 ± 3.4 | 0.004 |
| FVC, %predicted | 88.8 ± 47.0 | 88.5 ± 52.5 | 89.9 ± 18.7 | 0.72 | 89.3 ± 78.9 | 88.6 ± 18.4 | 0.004 |
| FEV1, %predicted | 91.9 ± 18.0 | 91.5 ± 18.1 | 93.4 ± 17.7 | 0.12 | 89.8 ± 18.4 | 92.9 ± 17.7 | 0.39 |
| FEV1/FVC ratio | 83.5 ± 8.1 | 84.1 ± 8.3 | 81.4 ± 6.3 | 0.39 | 86.9 ± 9.1 | 81.9 ± 7.0 | <0.001 |
| RV | 1.2 ± 0.4 | 1.2 ± 0.4 | 1.2 ± 0.4 | 0.93 | 1.1 ± 0.4 | 1.2 ± 0.3 | 0.20 |
| TLC, %predicted | 78.8 ± 18.9 | 78.2 ± 18.4 | 81.0 ± 20.6 | 0.58 | 73.5 ± 16.6 | 81.4 ± 19.4 | 0.001 |
| RV/TLC | 32.0 ± 7.5 | 32.4 ± 7.8 | 30.7 ± 6.3 | <0.001 | 32.8 ± 9.3 | 31.7 ± 6.5 | 0.95 |
| DLCO, %predicted | 64.8 ± 19.4 | 66.0 ± 19.3 | 60.8 ± 19.4 | 0.14 | 67.4 ± 20.1 | 63.6 ± 18.9 | 0.21 |
| DLCO/VA, %predicted | 80.7 ± 26.2 | 80.4 ± 27.3 | 81.6 ± 22.3 | 0.53 | 87.2 ± 25.8 | 77.6 ± 26.0 | 0.006 |
Values are mean ± SD.