Figure 1. Flow of Participants in a Study of Default Palliative Care Consultation for Seriously Ill Hospitalized Patients.

^aIncludes admissions with a discharge date prior to January 31, 2019, when trial outcomes data collection ended.

^bThe electronic health record (EHR) eligibility algorithm screened International Classification of Diseases, Ninth Revision and International Classification of Diseases, Tenth Revision codes for eligible diagnoses (detailed in eTable 2 in Supplement 3) and chronic oxygen dependence (Z99.81) and ≥2 admissions in the past 12 months.

^cNurse-reported eligibility criteria included chronic oxygen dependence, ≥2 admissions in the past 12 months, dialysis dependence, admission from a long-term care facility, and presence of a jejunostomy or gastrostomy tube.

COPD indicates chronic obstructive pulmonary disease.