Table 3

Correlation table for step oximetry exercise performance indices—Pearson’s R (95% CIs)

ParameterVO2 (cycle)VO2 (step)
Work rate (W)0.69 (0.57 to 0.78)0.69 (0.56 to 0.78)
Total energy (kJ)0.65 (0.51 to 0.75)0.67 (0.54 to 0.77)
Climb index0.57 (0.42 to 0.70)0.60 (0.45 to 0.72)
Height gained (m)0.54 (0.37 to 0.67)0.57 (0.40 to 0.70)
Velocity (m/min)0.47 (0.29 to 0.62)0.49 (0.31 to 0.63)
Climb time (s)0.41 (0.22 to 0.57)0.41 (0.22 to 0.57)
  • Parameters listed in descending order of R. All correlations reached statistical significance (p<0.0001) after Bonferroni-Holms correction.