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. Author manuscript; available in PMC: 2009 Sep 15.
Published in final edited form as: Am J Cardiol. 2008 Jul 9;102(6):712–717. doi: 10.1016/j.amjcard.2008.04.047

Table 5.

Multivariate predictors of change in peak VO2 from Test 1 to Test 2

Variable Slope Estimate (95% conf. interval) Partial R2 p-value
Peak VO2 on first test −0.08 (−0.12, −0.04) 0.04 < 0.0001
Peak RER on first test −1.00 (−2.70, 0.69) 0.004 0.24
Ejection Fraction 0.025 (0.001, 0.049) 0.01 0.04
Etiology −0.41* (−0.80, −0.03) 0.01 0.04

RER = respiratory exchange ratio

*

Nonischemics have more of an increase in peak VO2, on average, than ischemics do from test 1 to test 2.