30-s chair stand

30-second chair stand test is linked to peak oxygen uptake

In an external validation cohort, predicted peak VO₂ correlated with observed values at r = 0.654, with a root mean square error of 4.73 mL/kg/min.In an external validation cohort, predicted peak VO₂ correlated with observed values at r = 0.654, with a root mean square error of 4.73 mL/kg/min.