Table 2.
Correlation of pulmonary function parameters to HbA1c and diabetes duration in diabetes group.
| Pulmonary function parameters | HbA1c | Diabetes duration |
|---|---|---|
| VC | r=-0.902* | r=-0.350* |
| P value | < 0.0001 | < 0.0001 |
| FVC | r=-0.772* | r=-0.339* |
| P value | < 0.0001 | < 0.0001 |
| FEV1 | r=-0.672* | r=-0.281* |
| P value | < 0.0001 | < 0.0001 |
| PEF | r=-0.844* | r=-0.306* |
| P value | < 0.0001 | < 0.0001 |
| MVV | r=-0.755* | r=-0.356* |
| P value | < 0.0001 | < 0.0001 |
| TLC | r=-0.838* | r=-0.339* |
| P value | < 0.0001 | < 0.0001 |
| FEV1/FVC | r=-0.731* | r=-0.296* |
| P value | < 0.0001 | < 0.0001 |
| DLCO | r=-0.879* | r=-0.334* |
| P value | < 0.0001 | < 0.0001 |
| DLCO/VA | r=-0.348* | r=-0.289* |
| P value | < 0.0001 | < 0.0001 |
*P< 0.05, Statistically significant.
HbA1c, glycosylated hemoglobinA1c; 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.