Test-Retest Reliability of Handgrip Strength in Patients with Chronic Obstructive Pulmonary Disease.

Test-Retest Reliability of Handgrip Strength in Patients with Chronic Obstructive Pulmonary Disease. COPD. 2020 Aug 19;:1-7 Authors: Karagiannis C, Savva C, Korakakis V, Matheou I, Adamide T, Georgiou A, Xanthos T Abstract The purpose of this study was to investigate the intra-rater reliability and agreement of handgrip strength (HGS) measurement using a hydraulic hand dynamometer in patients with chronic obstructive pulmonary disease (COPD). A sample of 19 COPD patients (18 males and 1 female; mean ± SD age, 66.9 ± 6.3 years) was evaluated using a hand dynamometer by the same rater in two different testing sessions with a 7-d interval. During each session, patients were asked to exert three maximal isometric contractions on the dominant hand and the mean value of the 3 efforts (measured in kilogram-force [Kgf]) was used for data analysis. The intraclass correlation coefficient (ICC2,1), the standard error of measurement (SEM), the minimal detectable change (MDC), and Bland-Altman methods were used to estimate the degree of test-retest reliability and the measurement error, respectively. HGS in COPD patients revealed an ICC2,1 score of 0.99, suggesting excellent test-retest reliability. The calculated SEM was relatively small (0.59 Kgf), and the MDC presented a clinically acceptable value of 1.64 Kgf. These findings, in conjunction with the narrow width of the 95% limits of agreements (95% limits of agreement, -2.5-2.1 K...
Source: COPD: Journal of Chronic Obstructive Pulmonary Disease - Category: Respiratory Medicine Tags: COPD Source Type: research