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Table 4 Cardiopulmonary exercise and derived variables of population B (submaximal exercise: before/after cardiac rehabilitation)

From: New method for the mathematical derivation of the ventilatory anaerobic threshold: a retrospective study

  Before After p-Value
Body weight, kg 66.1 ± 10.9 66.7 ± 10.9 0.008
Highest work rate, Wa 66 ± 20 82 ± 24 < 0.001
Ramp exercise duration, s 360 ± 107 438 ± 121 < 0.001
Highest Borg scalea, /20 14.1 ± 1.7 14.7 ± 1.9 < 0.001
Highest HRa, beats/min 109 ± 18 116 ± 18 < 0.001
Highest VO2a, mL/min 971 ± 285 1146 ± 341 < 0.001
Highest VO2a, mL/min/kg 14.6 ± 3.4 17.0 ± 4.0 < 0.001
Highest Ra 1.06 ± 0.10 1.09 ± 0.11 < 0.001
vVAT, mL/min 673 ± 191 734 ± 226 < 0.001
 vVAT, mL/min/kg 10.1 ± 2.4 10.8 ± 2.8 < 0.001
expVAT (VCO2), mL/min 641 ± 185 685 ± 201 < 0.001
 expVAT (VCO2), mL/min/kg 9.6 ± 2.3 10.2 ± 2.4 < 0.001
 Exponential coefficient, “a 1.0018 ± 0.0004 1.0017 ± 0.0004 0.001
expVAT (VE), mL/min 696 ± 182 727 ± 209 0.008
 expVAT (VE), mL/min/kg 10.6 ± 2.7 10.9 ± 2.7 0.074
 Exponential coefficient, “a 1.0015 ± 0.0004 1.0014 ± 0.0004 0.011
OUES (VCO2), mL/min 1306 ± 327 1385 ± 355 < 0.001
OUES (VE), mL/min 1513 ± 398 1610 ± 467 < 0.001
  1. aAs the exercise protocol was submaximal, the last value was simply designated as the highest value (see the “CPX” subsection in Methods). Abbreviations are the same as in Table 2