Table 1.

Characteristics of patients

CategoryMean ± SD
Clinical characteristics
    Age, yr54.4±9.3
    Gender36 M, 5 F
    BMI, kg/m230.3±5.9
    NYHA class2.4±0.8
Resting hemodynamics
    SBP, mmHg117.4±14.2
    DBP, mmHg75.6±9.4
    HRseated, beats/min68.7±10.7
    LVEF, %27.9±8.1
Peak exercise
    HRpeak, beats/min129.2±23.2
    V̇o2 peak, ml·kg−1·min−116.8±4.7
E-wave parameters
    Epeak, cm/s78.8±27.2
    Apeak, cm/s52.5±17.3
    AT, ms88.8±26.0
    DT, ms162.2±58.7
    E/A ratio1.7±1.0
    k, g/s2237.1±61.1
  • M, male; F, female; Apeak, peak A-wave velocity; AT, E-wave acceleration time; BMI, body mass index; DBP, resting diastolic blood pressure; DT, E-wave deceleration time; E/A ratio, ratio of early transmitral flow velocity to atrial flow velocity; Epeak, peak E-wave velocity; HR, resting heart rate; HRpeak, maximal heart rate at peak exercise; k, left ventricular chamber stiffness parameter; LVEF, left ventricular ejection fraction; SBP, resting systolic blood pressure; V̇o2peak, peak oxygen consumption.