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

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

	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

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.

ISSN: 1471-2377