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Table 3 Multiple 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
Age, y -0.04 -0.28/0.19 0.713
Pack years of smoking, N -0.11 -0.33/0.12 0.349
Pocock risk score, % 0.07 -0.17/0.30 0.587
FEV1% pred. -0.16 -0.42/0.11 0.244
SaO2,% -0.29 -0.51/-0.07 0.011*
Combined inhaled long-acting β- adrenergic and steroid, N (%) 0.11 -0.13/0.35 0.375
Statins, N (%) 0.08 -0.12/0.29 0.426
  1. *p < 0.05; QTc: QT interval corrected for heart rate; FEV1: forced expiration in one second; SaO2: arterial oxygen saturation.