
1^{st} crosssectional evaluation 
2^{nd} crosssectional evaluation 
P 
Maximum HR [Zscore] 
^{median}1.43
(2.32  0.58) 
^{median}1.54
(3.07  0.17) 
NS 
VO_{2} max [Zscore] 
^{mean}2.05 (1.09) 
^{mean}1.74 (0.88) 
0.034 
VO_{2} max Zscore < 2Z 
37/68 (54.4%) 
33/67 (49.3%) 
NS 
Pulse oxygen at 1.5W/kg [Zscore] 
NA 
^{median}0.84*
(1.79 – 0.11) 
 
Pulse oxygen at maximum exercise[Zscore] 
^{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%) 
 