Skip to main content

Table 3 Comparison of RobottDCS and RobotSham kinematic and kinetic metrics at admission, discharge, and follow-up for the wrist

From: Robotic Kinematic measures of the arm in chronic Stroke: part 1 – Motor Recovery patterns from tDCS preceding intensive training

WRIST

 

Admission

Discharge

Follow-up

Robotic Task

Metric

RobottDCS mean (SD)

RobotSham

mean (SD)

Group Comparison (P value)

RobottDCS

mean (SD)

RobotSham

mean (SD)

Group Comparison

(P value)

RobottDCS

mean (SD)

RobotSham mean (SD)

Group Comparison (P value)

Unconstrained trained pointing

(macro-metrics)

Deviation (radians)

.165 (.121)

.147 (.136)

.312

.145 (.124)

.134 (.135)

.292

.148 (.112)

.134 (.132)

.328

Speed shape

.290 (.060)

.305 (.061)

.240

.332 (.069)

.349 (.067)

.237

.343 (.070)

.339 (.064)

.731

Unconstrained trained pointing

(micro-metrics)

Sub-movement number

9.308 (7.216)

8.103 (6.908)

.083

6.931 (3.547)

8.076 (5.350)

.744

7.891 (5.566)

7.479 (4.741)

.548

Sub-movement overlap (s)

.175 (.138)

.182 (.126)

.346

.206 (.152)

.178 (.084)

.648

.217 (.179)

.179 (.112)

.735

Sub-movement interpeak interval (s)

.251 (.151)

.260 (.189)

.333

.260 (.172)

.231 (.115)

.280

.266 (.189)

.225 (.118)

.269

Pointing against resistance

Maximum displacement (radians)

.176 (.083)

.179 (.081)

.525

.190 (.083)

.204 (.088)

.379

.176 (.077)

.197 (.072)

.072

Isometric stabilization

Offset (radians)

.152 (.090)

.129 (.234)

.269

.124 (.087)

.152 (.147)

.597

.138 (.097)

.106 (.221)

.447

  1. Note: * indicates significance at p < 0.0167