A brief, patient- and proxy-reported outcome measure in advanced illness: Validity, reliability and responsiveness of the Integrated Palliative care Outcome Scale (IPOS).

ABSTRACT:

Background

Few measures capture the complex symptoms and concerns of those receiving palliative care.

Aim

To validate the Integrated Palliative care Outcome Scale, a measure underpinned by extensive psychometric development, by evaluating its validity, reliability and responsiveness to change.

Design

Concurrent, cross-cultural validation study of the Integrated Palliative care Outcome Scale - both (1) patient self-report and (2) staff proxy-report versions. We tested construct validity (factor analysis, known-group comparisons, and correlational analysis), reliability (internal consistency, agreement, and test-retest reliability), and responsiveness (through longitudinal evaluation of change).

Setting/participants

In all, 376 adults receiving palliative care, a

SUBMITTER: Murtagh FE 

PROVIDER: S-EPMC6691591 | biostudies-literature | 2019 Sep

REPOSITORIES: biostudies-literature