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Table 2 ECG, NT-proBNP and echocardiography.

From: Prevalence and inter-relationship of different Doppler measures of dyssynchrony in patients with heart failure and prolonged QRS: a report from CARE-HF

  Sub study patients
(N = 100)
Non Sub study patients
(N = 713)
P value
Heart rate [bpm] 69 (60, 78) 69 (61, 78) 0.93
QRS [ms] 160 (150, 172) 160 (152, 180) 0.20
Systolic blood pressure, (mm Hg) 120 (108, 130) 117 (105, 130) 0.76
Diastolic blood pressure, (mm Hg) 70 (64, 80) 70 (60, 80) 0.21
N-terminal-pro-brain natriuretic peptide (pg/ml) 2275 (905, 5277) 1768 (736, 4009) 0.06
Enddiastolic diameter (mm) 7.5 (6.5, 8.0) 7.1 (6.4, 7.8) 0.87
Endsystolic diameter [mm] 6.1 (5.4, 6.9) 6.4 (5.5, 7.1) 0.79
Ejection fraktion, [%] 24.6 (20.4, 30.2) 24.7 (21.7, 28.9) 0.94
  1. Median (IQR), ECG = electrocardiogram.