Initial CT | Last CT | Difference | p-value | |
---|---|---|---|---|
Largest cyst (right lung) | 25.1 ± 15.3 mm | 26.1 ± 15.5 mm | 1.0 (0.42,1.64) | 0.002 |
Largest cyst (left lung) | 25.0 ± 15.3 mm | 25.8 ± 15.6 mm | 0.8 (-0.49,1.09) | < 0.001 |
Cyst number | 0.28 | |||
≤ 50 | 67.4% (29) | 60.5% (26) | ||
50–100 | 25.6% (11) | 27.9% (12) | ||
≥ 100 | 7.0% (3) | 11.6% (5) | ||
Cyst shape | 0.50 | |||
Round/ovoid | 14.0% (6) | 9.3% (4) | ||
Lentiform | 0.0 (0) | 0.0 (0) | ||
Irregular | 86.0% (37) | 90.73% (39) | ||
Septated | 0.0% (0) | 0.0% (0) | ||
Location of largest cyst | 1.00 | |||
Subpleural | 83.7% (35) | 79.1% (33) | ||
within lung parenchyma | 16.3% (7) | 20.9% (9) | ||
Cyst wall: identifiable | 100.0% (43) | 100.0% (43) | 1.00 | |
Distribution | 1.00 | |||
Upper | 0.0% (0) | 0.0% (0) | 1.00 | |
Lower | 20.9% (9) | 20.9% (9) | 1.00 | |
Diffuse | 79.1% (34) | 79.1% (34) | 1.00 | |
Fissural cyst | 97.7% (42) | 97.7% (42) | 1.00 | |
Subpleural cyst | 100.0% (43) | 100.0% (43) | 1.00 | |
Encircling bronchovascular bundle (air-cuff sign) | 62.8% (27) | 79.1% (34) | 0.02 |