Table 3.

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

Parameter	VO2 (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 index	0.57 (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.