CGA and infection: Finally, in the severest group of COVID+ICU+ patients, with a cut-off value of 12.75 ng/mL, admission CgA predicts the occurrence of care-related infection with a sensitivity of 87.5% [67.6-97.3] and a specificity of 48,0% [27,8-68,7] (AUC=69.42 [54.30; 84.54], p=0.015).