Assessing frailty in the intensive care unit: A reliability and validity study

PURPOSE: To describe pre-ICU frailty in critically ill patients using the Clinical Frailty Scale (CFS). METHODS: We included patients ≥18years admitted to 2 ICUs in Hamilton, Canada. The ICU Research Coordinator (RC) generated 3 CFS scores using: 1) chart review, 2) family interview, 3) patient interview. Subsequently, an overall impression was captured in a final score. Mean differences were calculated to assess the RC intra-rater reliability …