1st cross-sectional evaluation 2nd cross-sectional evaluation P
Maximum HR [Z-score] median-1.43 (-2.32 - -0.58) median-1.54 (-3.07 - -0.17) NS
VO2 max [Z-score] mean-2.05 (1.09) mean-1.74 (0.88) 0.034
VO2 max Z-score < -2Z 37/68 (54.4%) 33/67 (49.3%) NS
Pulse oxygen at 1.5W/kg [Z-score] NA median-0.84* (-1.79 – 0.11) -
Pulse oxygen at maximum exercise[Z-score] median-1.27 (-2.15 – -0.51) median-1.31* (-2.19 – -0.63) NS
Arterial systolic hypertension at rest NA 9/87 (10.3%) -
Arterial systolic hypertension at 1.5W/kg NA 9/79 (11.4%) -
Table 3: Exercise stress testing data, HR: Heart Rate; VO2 max: Maximum Oxygen Uptake. *P <0.001 by paired t-test.