• David Wang, Caleb Ing, Craig D Blinderman, and May Hua.
• Department of Anesthesiology, Columbia University College of Physicians and Surgeons, New York, New York, USA.
• J Pain Symptom Manage. 2019 Jan 1; 57 (1): 73-78.

ContextIn the intensive care unit (ICU), 14% of patients meet criteria for specialized palliative care, but whether subgroups of patients differ in their palliative care needs is unknown.ObjectivesThe objective of this study was to use latent class analysis to separate ICU patients into different classes of palliative care needs and determine if such classes differ in their palliative care resource requirements.MethodsWe conducted a retrospective cohort study of ICU patients who received specialized palliative care, August 2013 to August 2015. Reason(s) for consultation were extracted from the initial note and entered into a latent class analysis model to generate mutually exclusive patient classes. Differences in "high use" of palliative care (defined as having five or more palliative care visits) between classes were assessed using logistic regression, adjusting for age, race, Charlson Comorbidity Index, and length of stay.ResultsIn a sample of 689 patients, a four-class model provided the most meaningful groupings: 1) Pain and Symptom Management (n = 218, 31.6%), 2) Goals of Care and Advance Directives (GCAD) (n = 131, 19.0%), 3) All Needs (n = 112, 16.3%), and 4) Supportive Care (n = 228, 33.1%). In comparison to GCAD patients, all other classes were more likely to require "high use" of palliative care (adjusted odds ratio [aOR] 2.61 [1.41-4.83] for "All Needs," aOR 2.01 [1.16-3.50] for "Pain and Symptom Management," aOR 1.94 [1.12-3.34] for "Supportive Care").ConclusionBased on the initial reason for consultation, we identified four classes of palliative care needs among critically ill patients, and GCAD patients were least likely to be high utilizers. These findings may help inform allocation of palliative care resources for this population.Copyright © 2018 American Academy of Hospice and Palliative Medicine. Published by Elsevier Inc. All rights reserved.

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