Table 4.
Correlation between pulmonary function parameters and vascular endothelial function parameters in diabetes group.
| Pulmonary function | Vascular endothelial function parameters | ||
|---|---|---|---|
| NO | ET-1 | FMD | |
| VC | r= 0.830* | r= -0.798* | r= 0.698* |
| P value | < 0.0001 | < 0.0001 | < 0.0001 |
| FVC | r= 0.707* | r= -0.808* | r= 0.679* |
| P value | < 0.0001 | < 0.0001 | < 0.0001 |
| FEV1 | r= 0.643* | r= -0.717* | r= 0.606* |
| P value | < 0.0001 | < 0.0001 | < 0.0001 |
| PEF | r= 0.775* | r= -0.797* | r= 0.678* |
| P value | < 0.0001 | < 0.0001 | < 0.0001 |
| MVV | r= 0.682* | r= -0.798* | r= 0.722* |
| P value | < 0.0001 | < 0.0001 | < 0.0001 |
| TLC | r= 0.739* | r= -0.770* | r= 0.567* |
| P value | < 0.0001 | < 0.0001 | < 0.0001 |
| FEV1/FVC | r= 0.641* | r= -0.774* | r= 0.650* |
| P value | < 0.0001 | < 0.0001 | < 0.0001 |
| DLCO | r= 0.797* | r= -0.787* | r= 0.700* |
| P value | < 0.0001 | < 0.0001 | < 0.0001 |
| DLCO/VA | r= 0.318* | r= -0.376* | r= 0.309* |
| P value | < 0.0001 | < 0.0001 | < 0.0001 |
*P< 0.05, Statistically significant.
FMD, flow-mediated dilation; NO, nitric oxide; ET-1, endothelin-1; VC, vital capacity; FVC, forced vital capacity; FEV1, forced expiratory volume in 1 second; PEF, peak expiratory force; MVV, maximal voluntary ventilation; TLC, total lung capacity; FEV1/FVC, forced expiratory volume in 1 second/forced vital capacity; DLCO, diffusing capacity for carbon monoxide of lung; DLCO/VA, diffusing capacity for carbon monoxide of lung/unit volume; RI, resistivity index.