Table 4.
Results of stepwise multiple regression analysis, with Log10UACR as dependent variable and age, gender, FEV1%, MAP, BMI, smoke pack years, aortic PWV, oxygen saturations, IHD and diabetes as the independent variables
| A) In all subjects | B | (95% CI) | Overall adjusted r2 |
|---|---|---|---|
| Constant |
5.57 |
(0.16, 11.0) |
|
| Aortic PWV |
0.11 |
(0.06, 0.16) |
|
| Oxygen saturations |
−0.07 |
(−0.13, -0.02) |
22.5% |
|
B) In COPD patients |
B |
(95% CI) |
Overall adjusted r2 |
| Constant |
6.39 |
(−0.16, 12.95) |
|
| Aortic PWV |
0.10 |
(0.02, 0.18) |
|
| Oxygen Saturation | −0.08 | (−0.15, -0.01) | 15.9% |
The significant independent variables are shown in the Table.
Abbreviations: PWV pulse wave velocity; MAP mean arterial pressure; BMI body mass index; FEV1%, forced expiratory volume in one second % predicted; UACR urinary albumin creatinine ratio.
Performed in A) all subjects (COPD and controls), B) patients with COPD alone.