Table 2 Univariate regression analysis of predictors for QTc in all participants
From: High prevalence of altered cardiac repolarization in patients with COPD
β | 95% confidence interval | p-value | |
|---|---|---|---|
Cardiovascular risk | |||
Age, y | 0.30 | 0.15/0.45 | <0.001* |
Male/Female | -0.08 | -0.23/0.08 | 0.317 |
BMI, kg/m2 | 0.13 | -0.02/0.28 | 0.104 |
Current smoker, N (%) | -0.01 | -0.16/0.15 | 0.934 |
Pack years of smoking, N | 0.28 | 0.13/0.44 | <0.001* |
Pocock risk score, % | 0.17 | -0.00/0.35 | 0.054 |
Respiratory variables | |||
FEV1% pred. | -0.30 | -0.48/-0.12 | 0.001* |
FVC% pred. | -0.32 | -0.50/-0.15 | <0.001* |
SaO2, % | -0.34 | -0.51/-0.17 | <0.001* |
Medication | |||
Medication affecting QT, N (%) | 0.13 | -0.03/0.28 | 0.108 |
Beta blocker, N (%) | 0.05 | -0.11/0.20 | 0.558 |
Combined inhaled long-acting β-adrenergic and steroid, N (%) | 0.28 | 0.13/0.43 | <0.001* |
Statins, N (%) | 0.23 | 0.07/0.38 | 0.004* |