What does the 'C' in CURB65 score stand for?

The 'C' in the CURB-65 score stands for Confusion. This clinical tool is used primarily to assess the severity of pneumonia and to help determine the appropriate management and need for hospitalization in patients with community-acquired pneumonia.

Specifically, confusion in this context refers to a new state of mental status alteration that can suggest a more severe infection or systemic illness. It is an important indicator, as confusion can lead to a higher risk of poor outcomes, such as longer hospital stays or increased mortality.

The CURB-65 score is derived from five criteria: Confusion, Urea level greater than 7 mmol/L, Respiratory rate greater than or equal to 30 breaths per minute, Blood pressure lower than 90 systolic or 60 diastolic, and Age 65 years or older. Each component is assigned a point, and the total score helps clinicians gauge the severity of pneumonia.

Understanding the implication of confusion in the CURB-65 score underscores the importance of cognitive status in the evaluation of respiratory illnesses, and highlights the need for a comprehensive assessment in patients presenting with such conditions.