Postoperative outcome.
Confusion, pain
RASS, Richmond Agitation-Sedation Scale; NRS, Numerical Rating Scale pain.CAM-ICU, Confusion Assessment Method for the Intensive Care Unit.Data are shown as median [IQR] or number.*Statistically significant.We measured total magnesium and ionized magnesium pre-operatively, at postoperative ICU admission, and on the next morning at 6 a.m. (