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Table 4 Between-group comparisons at baseline, 6 and 12 weeks post-intervention in all outcomes

From: Effect of functional electrical stimulation of interscapular muscles on trunk performance and balance in post-stroke elderly patients

CON group versus FES group

 

t

Sig. (2-tailed)

Mean difference

TIS

Baseline

− 0.326

0.75

− 0.12

Post 6 weeks

− 2.764

0.01*

− 0.94

Post 12 weeks

− 3.292

0.002*

− 0.94

PASS

Baseline

0.473

0.64

0.24

Post 6 weeks

− 0.587

0.56

− 0.24

Post 12 weeks

− 2.102

0.04*

− 0.59

SP

Baseline

− 0.580

0.57

− 0.50

Post 6 weeks

1.863

0.07

1.26

Post 12 weeks

2.003

0.054

1.68

BBS

Baseline

.393

0.70

0.18

Post 6 weeks

− 4.662

0.000*

− 2.12

Post 12 weeks

− 4.990

0.000*

− 2.24

TUG

Baseline

− 0.721

0.48

− 0.29

Post 6 weeks

1.906

0.066

0.76

Post 12 weeks

2.976

0.006*

1.12

BI

Baseline

5.247

0.000*

2.76

Post 6 weeks

1.687

0.02*^

0.65

Post 12 weeks

− 2.060

0.000*^

− 0.65

  1. *Significant at P < 0.05, ^analysis of covariance (ANCOVA, with pretest score as covariate) as there as significant difference at baseline, BBS: Berg Balance Scale, BI: Barthel index, CON: control, FES: functional electrical stimulation, PASS: Postural Assessment Scale for Stroke, SP: scapular position, TIS: Trunk Impairment Scale, TUG: Timed Up and Go