Table 3 Stepwise regression analysis for variables predicting BCTQ symptom and function scores after carpal tunnel release.

From: Influence of centrally mediated symptoms on functional outcomes after carpal tunnel release

Model

Variables

Beta

SE Beta

p

R2

BCTQ Symptom at 3months

Step 1

Gender

1.18

 

0.029

15%

Step2

Gender

1.09

0.31

0.021

35%

PPT

−1.35

0.40

0.014

 

CSI

1.61

0.72

0.008

 

BCTQ Function at 3months

Step 1

Gender

1.02

 

0.034

13%

Step 2

Gender

0.95

0.28

0.025

31%

PPT

−1.22

0.36

0.019

 

CSI

1.51

0.60

0.010

 

BCTQ Symptom at 12 months

Step 1

—

   

—

Step 2

PPT

0.82

0.39

0.104

—

CSI

0.95

0.45

0.099

 

BCTQ function at 12 months

Step 1

EMG grade

1.20

0.57

0.160

—

Step 2

EMG grade

1.31

0.60

0.093

—

PPT

0.75

0.33

0.119

 

CSI

0.85

0.40

0.135

 
  1. PPT = pain pressure thresholds; CSI = Central Sensitization Inventory; BCTQ = Boston Carpal Tunnel Questionnaire; SE = standard error.
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