Table 1

Baseline characteristics and haemodynamic data

Low Zva <4.3 (n=82)High Zva ≥4.3 (n=88)p Value
Age77±676±60.8287
Male, %57%68%0.1427
HT, %73%74%0.9185
DM, %21%17%0.4882
CKD, %35%34%0.8162
CABG, %49%53%0.5463
Symptom, %71%77%0.3306
Atrial fibrillation, %5%8%0.5380
LVEF, %66±664±70.1664
E/e′18±819±100.5141
AVA, cm20.78±0.140.64±0.12<0.0001
BP, mm Hg128±17142±18<0.0001
MG, mm Hg54±1359±150.0162
SVI, mL/cm251±740±5<0.0001
BSA, cm21.88±0.241.97±0.200.0055
Zva, mm Hg/mL m23.6±0.45.1±0.7<0.0001
Pulse pressure, mm Hg58±1466±170.0007
SAC, mL/m2/mm Hg0.92±0.230.63±0.16<0.0001
  • AVA, aortic valve area; BP, blood pressure; BSA, body surface area; CABG, coronary artery bypass graft; CKD, chronic kidney disease; DM, diabetes mellitus; HT, hypertension: LVEF, left ventricular ejection fraction; MG, mean gradient; SAC, systemic arterial compliance; SVI, stroke volume index.