Table 4

Exercise Performance Data Before and After PCI

Pre-PCIPost-PCIp Value
Exercise time, s145 ± 80212 ± 74<0.001
Distance covered, m529 ± 484854 ± 571<0.01
Max workload, W83 ± 30103 ± 30<0.01
Max intensity, MET4.3 ± 1.25.2 ± 1.2<0.01
Total energy expenditure, kJ7.9 ± 7.313.1 ± 8.5<0.01
Rate-pressure product12,515 ± 3,69714,903 ± 3,897<0.01

Values are mean ± SD.

MET = metabolic equivalent; PCI = percutaneous coronary intervention.