Table 2 Descriptive statistics for each trunk acceleration index.

From: Minimal detectable change in inertial measurement unit-based trunk acceleration indices during gait in inpatients with subacute stroke

 

Test

Retest

Test–retest difference

Mean

SD

Mean

SD

Mean

SD

Stride regularity

 ML

0.437

0.155

0.470

0.126

− 0.033

0.091

 VT

0.496

0.128

0.524

0.102

− 0.028

0.100

 AP

0.508

0.112

0.513

0.112

− 0.005

0.084

HR

 ML

1.657

0.531

1.436

0.401

0.221

0.302

 VT

1.781

0.525

1.674

0.453

0.107

0.415

 AP

1.810

0.657

1.647

0.586

0.163

0.461

Normalized RMS

 ML

3.208

3.915

2.250

1.763

0.959

2.402

 VT

4.132

3.354

3.744

2.997

0.389

1.154

 AP

3.197

2.765

2.718

1.633

0.479

1.397

  1. SD, standard deviation; ML, mediolateral; VT, vertical; AP, anteroposterior; HR, harmonic ratio; RMS, root mean square.
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