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Distribution of significantly different variables in CPET between before and after APBCRE in all participants, the ≤55-year group and the >55-year group. (a) VO2 at AT; (b) VE at AT; (c) OUES; (d) RER at AT. CPET cardiopulmonary exercise testing, APBCRE adaptive posture-balance cardiac rehabilitation exercise, VO2 oxygen uptake, VE ventilation, OUES: oxygen uptake efficiency slope, RER respiratory exchange ratio, AT anaerobic threshold.
