Abstract 228: Deconstructing the Cerebral Performance Category: Introducing the CPC-E
Objective: The Cerebral Performance Category (CPC) is considered the “gold” standard outcome tool to quantify and categorize post-CA outcomes, but lacks psychometric validation. The study objective was to create a new instrument with content validity, inter-rater reliability, and clinical utility called the CPC-Extended (CPC-E).
Methods: Potential domains were identified through content analyses of the CPC and literature review. A panel comprised of CA and rehabilitation experts reviewed the CPC-E in iterative rounds. Following each round the CPC-E was revised resulting in near 100% consensus among experts. Inter-rater reliability and clinical feasibility of the CPC-E were tested by administering the CPC-E to CA survivors prior to discharge from the hospital. Intraclass correlation coefficients and descriptive statistics were used to examine inter-rater reliability and descriptive statistics respectively.
Results: The CPC-E has 10 independent domains: Alert, Logical Thinking, Attention, Short-Term Memory, Motor, Basic Activities of Daily Living, Mood, Fatigue, Complex Activities of Daily Living, and Return to Work. Each domain has 5 levels with 1 being the best response for the domain and 5 being the worst. Inter-rater reliability for the domains is excellent (n = 20, range = 0.88 - 1.0). The CPC-E took a mean (SD) of 6.03 (3.68) minutes to administer and score. No missing data were reported and clinicians reported that it was easy to administer and use.
Conclusion: The CPC-E offers an efficient, comprehensive tool with good psychometric properties to measure outcomes after CA. Clinically, the multi-domain CPC-E yields a profile of outcomes at the time of discharge that could “signal” a referral to rehabilitation or to a support service associated with a particular domain. Future studies will examine other psychometric properties of the CPC-E, including responsiveness to change.
Author Disclosures: K.D. Raina: None. S. Balouris: None. J.C. Rittenberger: None. C.W. Callaway: None. J.C. Rogers: None. M.B. Holm: None.
- © 2014 by American Heart Association, Inc.