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Cognitive Performance Scale (CPS) algorithm (developed by Morris et al. [9]). Figure Note: Impairment count is a count of the following: Decision Making: Not Independent (rating of 1–3); Understood: Not Independent (1–4); Short-Term Memory: Not OK (1). Severe Impairment Count is a count of the following: Decision Making: Moderate Impairment (3); Understood: Sometimes/Never (3–4).
