Table 6 Correlations among the motor impairment variables and the functional outcome measures.

From: A randomised clinical trial comparing 35 Hz versus 50 Hz frequency stimulation effects on hand motor recovery in older adults after stroke

Variable

BBT

Barthel Index

Time 1

Time 4

Time 1

Time 4

Wrist resting angle

0.204

0.349**

0.083

0.266*

Wrist active extension

0.710**

0.492**

0.420**

0.652**

Wrist passive extension

0.197

0.190

0.086

0.436**

MCP resting angle

0.195

0.216

0.098

0.251

MCP active extension

0.318*

0.357**

0.369**

0.592**

Grip strength

0.541**

0.473**

0.172

0.429**

Pinch strength

0.557**

0.533**

0.313*

0.477**

MAS score for wrist flexors

− 0.219

− 0.321*

− 0.150

− 0.345**

MAS score for MCP flexors

− 0.366**

− 0.388**

− 0.187

− 0.395**

Peak EMG amplitude extensors

0.501**

0.414**

0.185

0.432**

ACR extensors

− 0.170

− 0.353**

− 0.116

− 0.516**

  1. *p < .05; ** p < .01; BBT Box and Block Test, MCP Metacarpophalangeal; MAS Modified Ashworth Scale, ACR Co-activation ratio of the antagonist.
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