Table 5 Pulmonary function test parameters of the study population stratified according to CT diverse phenotype groups (n = 50)
From: Clinical, physiological, and radiological different phenotypes of COPD patients
Patients with COPD with CT scan data (n = 50), mean ± SD | P value¥ | |||||
|---|---|---|---|---|---|---|
Mild CLE (n = 29) | Moderate CLE (n = 8) | CON (n = 5) | ADE (n = 5) | PSE (n = 3) | ||
Pre-bronchodilator (%) | ||||||
FEV1 | 58.00 ± 5.02 | 61.25 ± 2.05 | 51.40 ± 5.89 | 50.80 ± 3.63 | 57.33 ± 2.88 | < 0.001 |
FVC | 94.07 ± 3.55 | 92.25 ± 3.95 | 93.60 ± 2.07 | 91.00 ± 5.14 | 95.00 ± 1.73 | 0.351 |
FEV1/FVC | 54.14 ± 3.94 | 53.25 ± 4.49 | 55.00 ± 3.31 | 54.20 ± 3.83 | 54.67 ± 3.05 | 0.950 |
Post-bronchodilator (%) | ||||||
FEV1 | 59.62 ± 4.36 | 60.38 ± 5.06 | 58.00 ± 5.70 | 65.00 ± 1.22 | 63.33 ± 3.21 | 0.043 |
FVC | 94.97 ± 3.09 | 93.75 ± 3.32 | 94.40 ± 1.67 | 92.20 ± 4.55 | 95.00 ± 1.73 | 0.442 |
FEV1/FVC | 57.17 ± 4.08 | 55.88 ± 4.48 | 57.60 ± 3.36 | 56.60 ± 4.72 | 57.00 ± 2.64 | 0.938 |