Parameter |
Controls
(n: 48) |
Patients
(n: 81) |
P value
|
Carbon Monoxide Diffusing Capacity% of Predicted |
86.88 ± 3.6 |
83.44 ± 6.8 |
0.02 |
Total Lung Capacity% of predicted |
86.7 ± 3.6 |
86.88 ± 5.1 |
0.8 |
FEV1/FVC% of predicted |
81.2 ± 5.3 |
56.0 ± 6.6 |
0.013 |
FEV1% of predicted |
85.4 ± 3.7 |
52.9 ±15.4 |
0.001 |
FVC% of predicted |
85.4 ± 3.7 |
86.6 ± 3.9 |
0.016 |
|
Data are presented as Mean ±SD
FEV1: Forced Expiratory Volume (1st second)
FVC: Forced Vital Capacity
*P value < 0.05 significant different between controls and patients groups
**P value< 0.01 highly significant |
Table 1: Respiratory function tests for COPD patients and controls. |