Association between serum calcium and in-hospital mortality in intensive care unit patients with cerebral infarction: a cohort study.

Background: The relationship between serum calcium levels and the prognosis of cerebral infarction remains controversial.

Purpose: This study aims to investigate the correlation between serum calcium levels and in-hospital mortality in critically ill patients with ischemic stroke admitted to the intensive care unit (ICU).

Methods: A retrospective cohort study was conducted using data from the MIMIC-IV database.