Responsiveness and Minimal Clinically Important Difference of the Five Times Sit-to-Stand Test in Patients with Stroke

Rodrigo Martín-San Agustín, José Crisostomo Mª, Piedad Sánchez-Martínez Mª and Francesc Medina-Mirapeix
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Rodrigo Martín-San Agustín: Department of Physical Therapy, University of Valencia, 46010 Valencia, Spain
José Crisostomo Mª: Department of Rehabilitation, Jerez Hospital, 11407 Jerez de la Frontera, Spain
Piedad Sánchez-Martínez Mª: Department of Physical Therapy, University of Murcia, 30100 Murcia, Spain
Francesc Medina-Mirapeix: Department of Physical Therapy, University of Murcia, 30100 Murcia, Spain

IJERPH, 2021, vol. 18, issue 5, 1-12

Abstract: This study aimed to analyze the responsiveness of the 5STS test among stroke patients and to estimate the MCIDs (minimal clinically important differences) for different severity levels of community ambulation and stages of recovery. The 5STS and comparator instruments (gait speed and Functional Ambulatory Category (FAC)) were evaluated at baseline. These measures were repeated at 4 (Stage 1) and 8 weeks (Stage 2), together with the Global Rating of Change (GROC). The MCIDs were calculated with two anchor-based methods using the GROC as the external criterion. Responsiveness to change for the 5STS was estimated analyzing the correlation with changes in the two comparator instruments and their capacity to discriminate improvement. For the 5STS test, while the MCIDs of the limited community ambulators were similar in the two stages (around 3 s), those of the household ambulators decreased from 1.9 s to 0.72 s. Spearman’s rho coefficients showed an acceptable correlation between changes in 5STS and changes for both the FAC and gait speed changes in both stages of recovery. Our study revealed that the 5STS is responsive to functional changes in patients with stroke and that their degree of severity and stage of recovery influence the MCID values of the 5STS.

Keywords: 5STS; stroke; MCID; responsiveness; stages; severity level; gait speed; FAC (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
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