a significant trendp = 0.067
Moreover, SPPB at discharge significantly correlated with WBC (Spearman’s rho = −0.473, p = 0.041), C-reactive protein (Spearman’s rho = −0.468, p = 0.044), and exhibited a significant trend with PaO 2 /FiO 2 (Spearman’s rho = 0.429, p = 0.067) and age (Spearman’s rho = 0.409, p = 0.083).