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The UK version of the Seattle Angina Questionnaire (SAQ-UK): reliability, validity and responsiveness.

Abstract：

:The study assesses the reliability, validity and responsiveness of the UK version of the Seattle Angina Questionnaire (SAQ-UK). The instrument was anglicised and administered by self-completed postal questionnaire to 959 patients recruited from general practices in the North East of England. A total of 655 (68.3%) patients returned a completed questionnaire. Principal component analysis produced three important dimensions: physical limitations, anginal frequency and perception and treatment satisfaction. Four items that performed poorly were removed from the instrument. The removal of items greatly increased the number of computable scale scores. Estimates of internal reliability for the three dimensions ranged from 0.83-0.92. Estimates of test-retest reliability were above accepted standards. The correlation between the SAQ-UK scores and the SF-12, EuroQol and health transition was evidence for the validity of the instrument. The SAQ-UK produced responsiveness statistics that were comparable to the parent instrument and was more responsive to improvements in health than the generic instruments. The SAQ-UK is recommended as a measure of health outcome for the evaluation of angina management.

journal_name

J Clin Epidemiol

journal_title

Journal of clinical epidemiology

authors

Garratt AM,Hutchinson A,Russell I,Network for Evidence-Based Practice in Northern and Yorkshire (NEBPINY).

doi

10.1016/s0895-4356(01)00352-3

subject

Has Abstract

pub_date

2001-09-01 00:00:00

pages

907-15

issue

9

eissn

0895-4356

issn

1878-5921

pii

S0895435601003523

journal_volume

54

pub_type

临床试验,杂志文章,随机对照试验

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