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Table 6 Correlations between instrumented standing balance measures and ABC questionnaire scores in persons with multiple sclerosis only

From: Instrumented balance and walking assessments in persons with multiple sclerosis show strong test-retest reliability

 

Measure vs. ABC

Measure vs. EDSS

Measure vs. Falls

Instrumented standing balance measure

r

p

r

p

r

p

Jerk

0.402

0.155

−0.234

0.421

0.254

0.381

Distance

0.457

0.100

−0.533*

0.050

0.198

0.498

Area

0.328

0.253

−0.376

0.185

0.222

0.446

RMS

0.477

0.085

−0.549*

0.042

0.220

0.450

Path length

0.346

0.225

−0.206

0.479

0.195

0.504

Range

0.498

0.070

−0.543*

0.045

0.250

0.389

Mean velocity

0.279

0.335

−0.435

0.120

0.075

0.798

Mean frequency

−0.269

0.352

0.538*

0.047

−0.080

0.785

95% frequency

−0.234

0.420

0.197

0.501

−0.133

0.650

Frequency dispersion

0.255

0.379

−0.525

0.054

0.134

0.647

  1. EDSS expanded disability status scale
  2. *Significant correlation, p < 0.05