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. Author manuscript; available in PMC: 2020 Mar 24.
Published in final edited form as: Am J Cardiol. 2011 Apr 29;108(1):99–105. doi: 10.1016/j.amjcard.2011.02.349

Table 3.

Relation between rate of change in percentage of predicted oxygen consumption (VO2%) with change in exercise test parameters, initial exercise test parameters, and demographic and clinical variables*

Variable Correlation p Value
Rate of change in exercise test parameter
 Peak percentage of predicted oxygen pulse (%) 0.79 <0.0001
 Slope of minute ventilation vs carbon dioxide production relation −0.38 0.001
 Percentage of predicted forced vital capacity (%) 0.02 0.88
 Percentage of predicted volume of air exhaled in first second of forced exhalation (%) 0.04 0.72
 Percentage of predicted heart rate (%) 0.14 0.26
 Body mass index (kg/m2) 0.13 0.27
 Body mass index Z score 0.15 0.21
Initial exercise test parameter
 Peak percentage of predicted oxygen consumption (%) −0.49 <0.0001
 Peak percentage of predicted oxygen pulse (%) −0.38 0.001
 Slope of minute ventilation vs carbon dioxide production relation 0.2 0.09
 Percentage of predicted forced vital capacity (%) −0.09 0.46
 Percentage of predicted volume of air exhaled in first second of forced exhalation (%) −0.11 0.38
 Percentage of predicted heart rate (%) −0.19 0.11
 Body mass index (kg/m2) −0.01 0.95
 Body mass index Z score −0.08 0.52
*

Weighted by length of follow-up.