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Comparison of different field tests to assess the physical capacity of Post-COVID-19 patients


ABSTRACT:

Background

: In coronavirus disease (COVID-19), physical capacity is one of the most impaired sequelae. Due to their simplicity and low cost, field tests such as the six-minute walk test (6MWT) are widely used However, in many places it is difficult to perform them and alternatives can be used such as the 1-minute sit-to-stand test (1min-STST) or the Chester step test (CST). Therefore, our objective was to compare the 6MWT, 1min-STST and the CST in post-COVID-19 patients.

Methods

: We conducted a cross-sectional analysis in post-COVID-19 patients, compared with matched controls (CG). Demographic characteristics and comorbidities were collected. We analysed oxygen saturation (SpO2), heart rate (HR), and the modified Borg scale in the 6MWT, 1min-STST, and CST. Additionally, the correlations between tests were analysed.

Results

: We recruited 27 post-COVID-19 patients and 27 matched controls. The median age was 48 (IQR 43-59) years old (44% female). The median distance walked in 6MWT was 461 (IQR 415-506) m in post-COVID-patients and 517 (IQR 461-560) m in CG (p=0.001). In 1min-STST, the repetitions were 21.9±6.7 and 28.3±7.1 in the post-COVID-19 group and CG, respectively (p=0.001). In the CST, the post-COVID-19 group performed 150 (86-204) steps vs the CG with 250 (250-250) steps (p<0.001). We found correlations between the 6MWT with the 1min-STST in COVID-19 patients (r= 0.681, p<0.001) and CG (r=0.668, p<0.001), and between the 6MWT and the CST in COVID-19 patients (r= 0.692, p<0.001).

Conclusion

: The 1min-STST and the CST correlated significantly with the 6MWT in patients post-COVID-19 being alternatives if the 6MWT cannot be performed.

SUBMITTER: Peroy-Badal R 

PROVIDER: S-EPMC9339971 | biostudies-literature | 2022 Aug

REPOSITORIES: biostudies-literature

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