Table 4

CPET parameters associated with the secondary endpoints

ParametersSecondary EP, n=30No secondary EP, n=170P value
Mean±SD25%–75%Mean±SD25%–75%
Load duration (s)431±119369–622441±118358–628>0.05
Max heart rate (beat per min)111.3±27.8103–134117±39105–143>0.05
Max systolic BP (mm Hg)173.3±34.5143–198165±34.4150–186>0.05
RER0.99±0.050.87–1.121.02±0.130.89–1.16>0.05
VE/VCO227.3±5.622.3–34.825.2±6.719.8–34.4>0.05
Maximum load (METS)5.7±3.23.9–8.96.9±4.64.3–10.70.01
Peak O2 consumption (ml/kg/min)16.8±4.912.4–21.218.9±4.513.7–23.20.05
O2 consumption (% of predicted value)79.8±11.558.3–89.983.4±9.964.8–92.2>0.05
AT (mL/kg/min)9.1±3.67.5–13.111.6±4.18.8–14.80.02
Qualitative data
ParametersPrimary EP, n (%)No EP, n (%)OR (95% CI)P value
АT<11.03120.537
  • AT, anaerobic threshold; CPET, cardiopulmonary exercise test; EP, end point; METS, metabolic equivalents; RER, respiratory exchange ration; VE/VO2, ventilatory equivalent for carbon dioxide.