Figure 1. Changes in levels of high-sensitivity troponin I (hs-cTnI) from baseline to day 21 during hospitalization. The levels of hs-cTnI displayed no significant difference at baseline; whereas the hs-cTnI levels at day 21 during hospitalization appeared significantly lower in the ameliorated cardiac injury (ACI) group (n = 70) than those in the non-ameliorated cardiac injury (NACI) group (n = 43).