Feasibility and validity of a tool for identification of people with intellectual disabilities in need of palliative care (PALLI)

Background There is a need for a specific tool that supports healthcare professionals in timely identifying people with intellectual disabilities (ID) in need of palliative care. Therefore, we developed PALLI: a tool for screening deteriorating health, indicative of a limited life expectancy. Aims We evaluated feasibility, construct validity and predictive validity of PALLI. Methods 190 people with ID likely to be in need of palliative care were included. Physicians and daily care professionals (DCPs) completed PALLI and provided information on health outcomes at baseline, after 5–6 months and after 10–12 months. Linear Mixed Models and Generalized Linear Mixed Models were used to test validity. Results Feasibility was adequate: physicians and DCPs were able to answer most items with ‘yes’ or ‘no’ and within a short amount of time. Construct validity was promising: a higher PALLI score at baseline was related to a higher level of decline in health, a higher symptom burden, a lower quality of life and more ADL-dependency at baseline. Predictive validity: only a higher physician-reported PALLI score at baseline significantly increased risk of death within 12 months. Conclusions PALLI shows promising feasibility and validity and has potential as a tool for timely identifying people with ID who may benefit from palliative care.

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