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. Author manuscript; available in PMC: 2015 Aug 1.
Published in final edited form as: J Card Fail. 2014 Jun 2;20(8):548–554. doi: 10.1016/j.cardfail.2014.05.008

Table 3.

Associations of Clinical Variables with Change in Normalized Peak VO2 after LVAD and Heart Transplant

Univariate analysis Multivariate Analysis
Variable Estimate P Value Estimate P Value
Normalized Peak VO2 Pre-LVAD/Heart Transplant −0.34 0.002 −0.32 0.027
Age at LVAD or Transplant 0.034 0.82 --- ---
Male sex −2.7 0.49 --- ---
Body mass index (kg/m2) −0.66 0.058 −0.84 0.010
LVAD implant (compared with heart transplant) −12.9 <0.001 −11.6 0.001
Effort quality (RER post LVAD or transplant) 19.1 0.17 --- ---

LVAD= left ventricular assist device; RER= respiratory exchange ratio