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Table 2 Cardiopulmonary exercise test score (modified from Ref # 23)

From: Cardiopulmonary exercise testing and echocardiographic exam: an useful interaction

VariableValuePoints
VE/VCO2slope≥347
HR recovery≤65a
O2 uptake efficiency slope≤1.42
Peak VO2< 14 mL/Kg/min2
  1. Score > 15 points: annual mortality rate 12.2%
  2. a2 point if undergoing beta-blocker therapy