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Table 3 Inter-rater and test-retest reproducibility of the Mini-BESTest and its subcomponents

From: The Mini-BESTest - a clinically reproducible tool for balance evaluations in mild to moderate Parkinson’s disease?

  Mean SD Range Mean SD Range P -value ICC 2.1 95% CI Cronbach’s alpha SEM agreement SRD SRD%
Inter-rater reproducibility Rater A Rater B        
Mini-BESTest, total score 20.2 2.6 15-25 21.3 2.7 15-26 0.003 0.72 0.37-0.87 0.87 1.5 4.1 14.61
Anticipatory postural adjustments 3.6 1.2 1-6 4.1 1.0 2-6 0.007 0.65 0.31-0.83 0.83 0.7 1.9 31.72
Postural responses 4.2 1.0 3-6 3.7 1.1 1-6 0.043 0.43 0.09-0.69 0.63 0.8 2.3 38.32
Sensory orientation 5.7 0.6 4-6 5.9 0.5 4-6 0.265 0.54 0.22-0.76 0.70 0.4 1.0 16.72
Dynamic gait 6.7 1.4 5-10 7.7 1.1 5-9 0.000 0.48 0.24-0.75 0.75 1.1 2.9 29.02
Test-retest reproducibility Session 1 Session 2        
Mini-BESTest, total score 20.2 2.6 15-25 20.5 2.9 14-26 0.447 0.80 0.60-0.90 0.88 1.2 3.4 12.11
Anticipatory postural adjustments 3.6 1.2 1-6 3.7 1.1 2-6 0.602 0.79 0.60-0.90 0.88 0.5 1.4 23.32
Postural responses 4.2 1.0 3-6 4.4 1.1 3-6 0.110 0.70 0.45-0.85 0.83 0.6 1.6 26.72
Sensory orientation 5.7 0.6 4-6 5.9 0.4 5-6 0.185 0.54 0.33-0.81 0.77 0.3 0.8 13.32
Dynamic gait 6.7 1.4 5-10 6.5 1.7 4-10 0.363 0.78 0.57-0.89 0.87 0.7 2.0 20.02
  1. SD = Standard Deviation, ICC = Intra Class Correlation, CI = Confidence Interval, SEM = Standard Error of Measurement (√within subjects error variance), SRD = Smallest Real Difference (1.96 × √2 × SEM), SRD% = 1(SRD/maximal total score) × 100, 2(SRD/maximal subcomponent score) × 100.