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Table 4 Subgroup analysis of test-retest reliability considering severity of dementia

From: Recommended motor assessments based on psychometric properties in individuals with dementia: a systematic review

  Mild dementia Mild to moderate dementia Moderate dementia Severity not reported
FICSIT-4 MMSE [mean (SD)]: 22.7 (2.1) ICC = 0.82 MDC95% = 58.9% [17] MMSE [mean (SD)]: 19.2 (4.4) ICC = 0.79 MDC95% = 59.4% [17] MMSE [mean (SD)]: 15.5 (2.4) ICC = 0.80 MDC95% = 71.1% [17]  
GMWT MMSE [mean (SD)]: n.r. ICC = 0.79–0.96 MDC95% = n.r [63]. MMSE [mean (SD)]: 17.4 (4.3) ICC = 0.63–0.94 MDC95% = 31.2–225.7% [63] MMSE [mean (SD)]: n.r. ICC = 0.57–0.93 MDC95% = n.r [63]. MMSE [mean (SD)]: 13.8 (5.7) ICC = 0.96–0.99 MDC95% = 19.6–33.3% [43]
BBS   MMSE [mean (SD)]: 20.0 (5.5) ICC = 0.95 MDC95% = 38.6% [14]   MMSE [mean (SD)]: 13.8 (5.7) ICC = 0.99 MDC95% = 10.2% [43]
6 m WT MMSE [mean (SD)]: 22.7 (2.1) ICC = 0.83 MDC95% = 41.5% [17] MMSE [mean (SD)]: 19.2 (4.4) ICC = 0.86 MDC95% = 36.5% [17] MMSE [mean (SD)]: 15.5 (2.4) ICC = 0.89 MDC95% = 31.6% [17] MMSE [mean (SD)]: 16.9 (7.3) ICC = 0.80–0.95 MDC95% = n.r [102].
5x STS MMSE [mean (SD)]: 21.4 (5.0) ICC = 0.80 MDC95% = 29.9% [51]    MMSE [mean (SD)]: 16.9 (7.3) ICC = 0.94 MDC95% = n.r [102].
Modified 30s CST MMSE [mean (SD)]: 22.7 (2.1) ICC = 0.79 MDC95% = 45.7% [17] MMSE [mean (SD)]: 19.2 (4.4) ICC = 0.84 MDC95% = 42.5% [17] MMSE [mean (SD)]: 15.5 (2.4) ICC = 0.88 MDC95% = 33.2% [17]  
  1. 5x STS Five Times Sit-to-Stand Test, 6 m WT 6-m walk test, 30s CST 30-s chair stand test, BBS Berg Balance Scale, FICSIT-4 Frailty and Injuries: Cooperative Studies of Intervention Techniques - subtest 4, GMWT Groningen Meander Walking Test, ICC Intraclass correlation coefficient, MDC95% Percentage minimal detectable changes at 95% confidence interval, MMSE Mini-Mental State Examination, n.r. Not reported, SD Standard deviation.