Research Article
Evaluating Stable Chronic Obstructive Pulmonary Disease by Ultrasound
Table 2
Pulmonary function test values and significance levels with ultrasonographic findings according to the COPD stage and control group.
| | Control group (n = 40) | GOLD A (n = 6) | GOLD B (n = 6) | GOLD C (n = 15) | GOLD D (n = 34) | value |
| Lung Sil R (mm), median (IQR) | 66.0 (4.5) | 48.8 (3.1) | 44.1 (9.5) | 41.0 (9.6) | 27.6 (15.1) | <0.001 | Lung Sil L (mm), median (IQR) | 66.1 (4.0) | 48.8 (4.4) | 44.3 (8.9) | 40.7 (9.1) | 27.7 (12.1) | <0.001 | Ant B-Mode R (mm), median (IQR) | 71 (5.0) | 53.2 (3.8) | 45.5 (8.2) | 42.2 (8.5) | 34.0 (13.0) | <0.001 | Ant M-mode R (mm), median (IQR) | 69.0 (3.8) | 45 (4.0) | 44 (5.0) | 43 (9.0) | 34 (7.0) | <0.001 | Ant M-mode L (mm), median (IQR) | 70 (6.0) | 46 (3.0) | 45 (5.0) | 42 (7.0) | 34 (6.0) | <0.001 | FVC (%), median (IQR) | 98.5 (20) | 92.5 (7) | 72.0 (18.0) | 67.0 (17.0) | 55.0 (29.0) | <0.001 | FEV1 (%), median (IQR) | 94.0 (19) | 72.0 (8.0) | 59.5 (14.0) | 54.0 (18.0) | 34.5 (19.0) | <0.001 | FEV1/FVC (%), median (IQR) | 91.0 (9) | 66.5 (2.0) | 63. (6.0) | 63.0 (13.0) | 47.5 (18.0) | <0.001 |
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COPD: chronic obstructive pulmonary disease; GOLD: Global Initiative for Chronic Obstructive Lung Disease; IQR: interquartile range; FVC: forced vital capacity; FEV1: forced expiratory volume in 1 s.
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