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Table 3 Dependent variables

From: Emergency department-initiated palliative care for advanced cancer patients: protocol for a pilot randomized controlled trial

Variable

Measurement/Instrument

Source

Primary Dependent Variables

Rate and timing of palliative care consultation

Yes/No; Days from enrollment to consultation

Medical Record

Quality of life

FACT-G at 12 weeks

Patient Interview

Depression

PHQ-9 at 12 weeks

Patient Interview

Hospital length of stay

Days during index admission

Medical Record

Survival

Days from enrollment

Medical Record

Secondary Dependent Variables

ICU Admission and ICU length of stay (if admitted)

Yes/No; ICU bed days

Administrative database

Hospital costs

Total, direct costs during index hospitalization

Administrative database

Hospital readmissions over 30 and 180 days from enrollment

Count

Medical Record

Repeat ED visits over 30 and 180 days from enrollment

Count

Medical Record