Reliability (Test-retest) of 30 Seconds Sit-to-stand and Timed Up and Go in Adults With Long Covid
NCT ID: NCT05886842
Last Updated: 2025-08-14
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
19 participants
OBSERVATIONAL
2022-12-21
2024-12-21
Brief Summary
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Detailed Description
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A sample size of 19 people will be used. A difference in reliability of 0.9 and 0.7 at 80% power and a 5% level of significance using two ratings was set. Based on two testing sessions, an x value of 0.05, and a power of 0.80, a minimal sample size of 19 patients was identified (Karagiannis et al., 2020).
19 patients with long covid from the rehabilitation center will take both tests in a single day and 3 days later they will take the tests again with no physical therapy intervention in between the measurements.
For the statistical analysis, ICC (Intra-class correlation coefficients), SEM (standard error of measurement) and Bland-Altman plot will be used. These tests evaluate test-retest reliability, through the identification of the agreement of patient's scores between the 2 measurements and they evaluate the measurement precision (Savva et al, 2014).
Conditions
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Study Design
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COHORT
PROSPECTIVE
Study Groups
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Test-retest
A group of 19 patients will be tested using the 30 seconds Sit-to-stand and Timed up and go tests. Each test will be repeated 3 times and the best score will be used. There is going to be 3 days waiting period before the re-tests.
Test-retest
Test-retest
Interventions
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Test-retest
Test-retest
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
* Patients must be willing to give written consent for participation in the study
* Negative rapid test for COVID-19
Exclusion Criteria
* Significant cognitive and psychiatric impairments (inability to follow simple commands or give consent)
* Refuse to give consent
18 Years
ALL
No
Sponsors
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Eden Resort Wellness Rehabilitation Center
UNKNOWN
European University Cyprus
OTHER
Responsible Party
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Marina Kloni
Marina Eleni Kloni, BSc, MSc, MA
Principal Investigators
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Marina E Kloni
Role: PRINCIPAL_INVESTIGATOR
European University Cyprus
Locations
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Eden resort wellness rehabilitation
Larnaca, , Cyprus
Countries
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References
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Figueiredo PHS, Veloso LRS, Lima MMO, Vieira CFD, Alves FL, Lacerda ACR, Lima VP, Rodrigues VGB, Maciel EHB, Costa HS. The reliability and validity of the 30-seconds sit-to-stand test and its capacity for assessment of the functional status of hemodialysis patients. J Bodyw Mov Ther. 2021 Jul;27:157-164. doi: 10.1016/j.jbmt.2021.02.020. Epub 2021 Mar 4.
Hansen H, Beyer N, Frolich A, Godtfredsen N, Bieler T. Intra- and inter-rater reproducibility of the 6-minute walk test and the 30-second sit-to-stand test in patients with severe and very severe COPD. Int J Chron Obstruct Pulmon Dis. 2018 Oct 18;13:3447-3457. doi: 10.2147/COPD.S174248. eCollection 2018.
Ozcan Kahraman B, Ozsoy I, Akdeniz B, Ozpelit E, Sevinc C, Acar S, Savci S. Test-retest reliability and validity of the timed up and go test and 30-second sit to stand test in patients with pulmonary hypertension. Int J Cardiol. 2020 Apr 1;304:159-163. doi: 10.1016/j.ijcard.2020.01.028. Epub 2020 Jan 15.
Steffen TM, Hacker TA, Mollinger L. Age- and gender-related test performance in community-dwelling elderly people: Six-Minute Walk Test, Berg Balance Scale, Timed Up & Go Test, and gait speeds. Phys Ther. 2002 Feb;82(2):128-37. doi: 10.1093/ptj/82.2.128.
Donner A, Eliasziw M. Sample size requirements for reliability studies. Stat Med. 1987 Jun;6(4):441-8. doi: 10.1002/sim.4780060404.
Walter SD, Eliasziw M, Donner A. Sample size and optimal designs for reliability studies. Stat Med. 1998 Jan 15;17(1):101-10. doi: 10.1002/(sici)1097-0258(19980115)17:13.0.co;2-e.
Karagiannis C, Savva C, Korakakis V, Matheou I, Adamide T, Georgiou A, Xanthos T. Test-Retest Reliability of Handgrip Strength in Patients with Chronic Obstructive Pulmonary Disease. COPD. 2020 Oct;17(5):568-574. doi: 10.1080/15412555.2020.1808604. Epub 2020 Aug 19.
Savva C, Giakas G, Efstathiou M, Karagiannis C. Test-retest reliability of handgrip strength measurement using a hydraulic hand dynamometer in patients with cervical radiculopathy. J Manipulative Physiol Ther. 2014 Mar-Apr;37(3):206-10. doi: 10.1016/j.jmpt.2014.02.001. Epub 2014 Mar 11.
Shechtman O, Gestewitz L, Kimble C. Reliability and validity of the DynEx dynamometer. J Hand Ther. 2005 Jul-Sep;18(3):339-47. doi: 10.1197/j.jht.2005.04.002.
Bland JM, Altman DG. Statistical methods for assessing agreement between two methods of clinical measurement. Lancet. 1986 Feb 8;1(8476):307-10.
Myles PS, Cui J. Using the Bland-Altman method to measure agreement with repeated measures. Br J Anaesth. 2007 Sep;99(3):309-11. doi: 10.1093/bja/aem214. No abstract available.
Shrout PE. Measurement reliability and agreement in psychiatry. Stat Methods Med Res. 1998 Sep;7(3):301-17. doi: 10.1177/096228029800700306.
Other Identifiers
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Test-Retest
Identifier Type: -
Identifier Source: org_study_id
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