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Psychometric validation of the needs assessment tool: progressive disease in interstitial lung disease

Research output: Contribution to journalLetter

Miriam J Johnson, Armita Jamali, Joy Ross, Caroline Fairhurst, Jason Boland, Carla Reigada, Simon Paul Hart, Gunn Grande, David C Currow, Athol U Wells, Sabrina Bajwah, Thanos Papadopoulos, J Martin Bland, Janelle Yorke

Original languageEnglish
JournalThorax
DOIs
Publication statusPublished - 17 Nov 2017

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King's Authors

Abstract

The inter-rater/test-retest reliability and construct validity of a palliative care needs assessment tool in interstitial lung disease (NAT:PD-ILD) were tested using NAT:PD-ILD-guided video-recorded consultations, and NAT:PD-ILD-guided consultations, and patient and carer-report outcomes (St George's Respiratory Questionnaire (SGRQ)-ILD, Carer Strain Index (CSI)/Carer Support Needs Assessment Tool (CSNAT)). 11/16 items reached at least fair inter-rater agreement; 5 items reached at least moderate test-retest agreement. 4/6 patient constructs demonstrated agreement with SGRQ-I scores (Kendall's tau-b, 0.24-20.36; P<0.05). 4/7 carer constructs agreed with the CSI/CSNAT items (kappa, 0.23-20.53). The NAT:PD-ILD is reliable and valid. Clinical effectiveness and implementation are to be evaluated.

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