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Table 3 Inter- and Intra-rater reliability of Timed Up and Go test – ICCs, SEM, MDC and Bland and Altman tests

From: The reliability and minimal detectable change of Timed Up and Go test in individuals with grade 1 – 3 knee osteoarthritis

  ICC, SEM and MDC Bland and Altman test
ICC (95 % CI) SEM MDC đ 95 % CI for đ SDdiff 95 % limit of agreement
Inter-rater reliability 0.96 (0.94 – 0.97) 0.17 1.14 −.045 −.24 – .15 .80 −1.61 – 1.52
Intra-rater reliability 0.97 (0.95 – 0.98) 0.16 1.10 −.115 −.34 – .11 .94 −1.95 – 1.72
  1. ICC intraclass correlation coefficients, SEM standard error of measurement, MDC minimal detectable change, đ mean difference, 95 % CI for đ 95 % confidence interval for the mean difference, SD diff standard deviation of the differences