Table 2

Independent variables and their univariate associations (t values) with left ventricular ejection fraction

t Value
pRR41.12
PpRR4.67
EDV21.74
PCWP−2.37
pESV−5.53
Afterload−31.53
Contractility28.18
p-Contractility8.48
pp-Contractility9.75

  • Afterload, end systolic pressure/stroke volume; Contractility, end systolic pressure/end systolic volume; p-Contractility, preceding end systolic pressure/preceding end systolic volume; pp-Contractility, pre-preceding end systolic pressure/pre-preceding end systolic volume; EDV, end diastolic volume; pESV, preceding end systolic volume; PCWP, pulmonary capillary wedge pressure; pRR, preceding RR interval; ppRR, pre-preceding RR interval.