From:  Incident left bundle branch block predicts cardiovascular events and death in hypertensive patients with left ventricular hypertrophy. The LIFE Study

Baseline demographics, clinical characteristics, ECG findings and randomized antihypertensive treatment in patients without and with incident LBBB

Clinical characteristicNo new LBBB (n = 8,271)Incident LBBB (n = 295)PAdjusted P*
Female gender (%)53.646.80.025n/a
Age, years67 ± 769 ± 6< 0.001n/a
Race, % white92.293.90.320.63
Height (cm)167.6 ± 9.4168.5 ± 9.70.1520.152
Weight (kg)78.9 ± 14.980.9 ± 15.30.071< 0.005
Body mass index, kg/m228.0 ± 4.828.4 ± 4.90.12< 0.05
Obesity (> 35 kg/m2), %0.500.640.180.14
Systolic BP, mmHg175 ± 14173 ± 140.205< 0.005
Diastolic BP, mmHg98 ± 996 ± 9< 0.001< 0.01
Pulse pressure, mmHg77 ± 1678 ± 150.2370.190
Heart rate, beats/min70 ± 1371 ± 130.0430.164
Serum creatinine, μmol/L86.7 ± 20.289.4 ± 19.1< 0.050.519
Serum glucose, mmol/L6.01 ± 2.186.27 ± 2.220.0530.106
Framingham risk score22.3 ± 9.425.1 ± 9.6< 0.0010.150
Sokolow–Lyon voltage, mm30.0 ± 10.530.8 ± 10.70.170.717
**Cornell product, mm × ms2,654 ± 7643,530 ± 1,225< 0.001< 0.001
Cornell voltage, mm26.5 ± 7.534.7 ± 12.2< 0.001< 0.001
QRS duration, ms97.2113.7< 0.001< 0.001
Randomized to losartan, (%)50500.260.26
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Adjusted for sex and age;

sex-adjusted; BP: blood pressure; n/a: not applicable