Compares total and ionized calcium for defining calcium status in critically ill patients, suggesting a need for accurate measurement methods.
Conventional calcium measurement methods frequently misclassify calcium status in critically ill patients. pHiCa demonstrated superior diagnostic accuracy and agreement with iCa. While iCa lacks prognostic utility for ICU outcomes, it remains indispensable for precise calcium assessment.
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Das et al. (2026) studied this question.
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