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Egyptian Journal of Radiology and Nuclear Medicine

Table 3 Comparison between the two studied groups according to CSA and FR

From: Comparative study between blind and ultrasound-guided steroid injection for carpal tunnel syndrome

  

Blind (n = 15)

Ultrasound (n = 15)

Test of sig

p

CSA

Before

12.67 ± 1.84

12.67 ± 1.99

t = 0.00

1

After 4 weeks

11.20 ± 1.74

9.80 ± 1.42

t = 2.411*

0.023*

p1

 < 0.001*

 < 0.001*

  

Reduction of CSA

1.47 ± 0.52

2.87 ± 1.19

U = 36.0*

0.001*

FR

Before

2.80 ± 0.43

2.59 ± 0.44

t = 1.341

0.191

After 4 weeks

2.51 ± 0.41

2.07 ± 0.37

t = 3.058*

0.005*

p1

 < 0.001*

 < 0.001*

  

Reduction of FR

0.29 ± 0.09

0.51 ± 0.23

U = 39.0*

0.002*

  1. IQR: Interquartile range; SD: Standard deviation; t: Student’s t test; U: Mann–Whitney test
  2. p: p value for comparing between the studied groups
  3. p1: p value for Paired t test for comparing between before and after in each group
  4. *Statistically significant at p ≤ 0.05
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