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Table 3 Results from reproducibility analysis of measures on handgrip steadiness in old adults for the right side

From: Handgrip force steadiness in young and older adults: a reproducibility study

Measure % of MVC Session 1 Session 2 Difference ICC [95% CI] SEM (SEM, %) LOA (LOA, %) SRD (SRD, %)
CVM 5% 7.93 7.54 0.39 (p = 0.11)b .842 [.669–.925] 0.52 (6.7) 2.57 (33.2) 1.44 (18.6)
CVM 10% 4.41 4.16 0.25 (p = 0.15)b .783 [.595–.890] 0.41 (9.5) 1.72 (40.0) 1.14 (26.5)
CVM 25% 2.52 2.37 0.15 (p = 0.034)b .768 [.553–.885] 0.17 (7.3) 0.72 (29.6) 4.85 (19.3)
CVT 5% 7.99 7.64 0.35 (p = 0.041)b .806 [.619–.904] 0.55 (7.0) 2.45 (31.3) 1.52 (19.5)
CVT 10% 4.51 4.22 0.29 (p = 0.13)b .771 [.576–.884] 0.43 (9.8) 1.76 (40.3) 1.19 (27.2)
CVT 25% 2.49 2.33 0.16 (p = 0.012)a .769 [.546–.886] 0.17 (7.1) 0.70 (29.0) 0.47 (19.5)
Area 5% 1.92 1.71 0.21 (p = 0.28)a .431 [.098–.679] 0.62 (34.1) 1.62 (89.2) 1.72 (94.7)
Area 10% 2.11 1.79 0.32 (p = 0.16)a .312 [−.023–.592] 0.78 (39.9) 1.84 (94.3) 2.16 (111.0)
Area 25% 2.60 2.42 0.18 (p = 0.27)b .431 [.095–.680] 0.63 (25.2) 1.65 (65.7) 1.75 (69.7)
  1. Session 1 and Session 2 are the mean values. Difference are the difference in the mean value from session 1 to 2. ICC, SEM, LOA and SRD are intraclass correlation coefficient, standard error of measurement, limits of agreement and smallest real difference, respectively. Absolute reproducibility results are also given in percentages (e.g. SEM%) by dividing it with the grand mean for both sessions. aindicates the use of Wilcoxon signed-rank test. bindicates the use of paired t-test