Table 1

Baseline characteristics and 12-lead ECG phenotype in descendants of men born in 1913 with bundle branch block

All (n=76)Sons (n=32)Daughters (n=44)
Mean age, years54±555±654±5
Length, cm171±9179±6165±6
Weight, kg78±1486±1072±13
BMI26.4±3.826.8±2.826.2±4.4
Systolic blood pressure, mm Hg130±18132±16129±18
Diastolic blood pressure, mm Hg80±981±978±8
Heart rate, bpm69±1167±1370±10
Spirometry, peak flow, mL/s524±114621±85450±68
Sokolow-Lyon, mm25±628±724±5
PQ duration, ms155±19160±21152±17
QTc, ms410±21409±22411±21
P duration, ms110±12111±12109±12
QRS duration, ms92±1297±1688±7
Complete bundle branch block, n220
  • Continuous variables are expressed as mean±SEM.

  • BMI, body mass index.