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Statistical comparison among independent variables between two groups.
| Control | Cases (COPD) | ||
|---|---|---|---|
| Mean (SD) | Mean (SD) | P value | |
| Fasting blood glucose (mg/dl) | 89 (13.70) | 98.13 (10.24) | 0.011 |
| Fasting insulin level | 9.35 (2.92) | 12.04 (4.75) | - |
| BMI | 25.2 (5.55) | 24.96 (5.65) | 0.978 |
| HOMA-IR | 2.01(0.61) | 2.86 (1.09) | 0.000 |
| FEV1/FVC | 85.52 (5.53) | 56.67 (10.48) | - |
