Aim
The psychometric properties of the 1-minute sit-to-stand (1STS) test have not been
investigated in patients with chronic heart failure (CHF). The aim of this study was
to evaluate test–retest reliability, construct validity, and minimal detectable change
of the 1STS test and to investigate the physiological response to the 1STS test in
patients with CHF.
Method
Forty-three (43) patients with CHF were included. Demographic and clinical features
were recorded. To investigate test–retest reliability, participants performed two
1STS tests on the same day. The correlations between the 1STS test and the 6-minute
walk test (6MWT), functional class, pulmonary function, quadriceps muscle strength,
and physical activity were investigated for validity. The physiological responses
and symptom perception were assessed before and after both the 1STS test and 6MWT.
Results
Excellent test–retest reliability was found for the 1STS test, with an intraclass
correlation of 0.932 (95% confidence interval 0.874–0.963). The minimal detectable
change of the 1STST test was 3.7 repetitions. The 1STS test was correlated with 6MWT
distance, age, functional class, pulmonary function, quadriceps muscle strength, and
physical activity (p<0.05). The 1STS test showed similar changes to the 6MWT in physiological
responses and symptom perception (p>0.05), except for leg fatigue (p=0.02).
Conclusions
The 1STS test is reliable and valid in evaluating functional exercise capacity in
patients with CHF. The 1STS test reveals similar cardiac demand to the 6MWT. The 1STS
test may be considered an option when traditional tests are impractical in terms of
space and time.
Keywords
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Article info
Publication history
Published online: February 09, 2023
Accepted:
January 5,
2023
Received in revised form:
December 20,
2022
Received:
October 7,
2022
Publication stage
In Press Journal Pre-ProofIdentification
Copyright
© 2023 Australian and New Zealand Society of Cardiac and Thoracic Surgeons (ANZSCTS) and the Cardiac Society of Australia and New Zealand (CSANZ). Published by Elsevier B.V. All rights reserved.
