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Egyptian Journal of Radiology and Nuclear Medicine

Table 2 Comparison between the MN dimensions of the surgically and non-surgically treated patients

From: The correlation between pre-operative ultrasonographic median nerve evaluation and the operative procedure in CTS

MN variable

Surgical patients (n = 24)

Non-surgical patients (n = 6)

P

(1)Area PQ

 

P< 0.001

 

P< 0.001

 

 Range

(8–11)

(8–11)

 

 Mean ± SD

9.42 ± 1.1

9.67 ± 1.2

0.64

(1)Area PS

   

 Range

(10–20)

(11–14)

 

 Mean ± SD

14.25 ± 3.01

12.67 ± 1.5

0.32

(1)Flattening ratio

   

 Range

(2.2-4.3)

(2.2-4)

 

 Mean ± SD

3.68 ± 0.71

3.13 ± 0.74

0.07

(2)Area PS-Area PQ

   

 Range

(1–10)

(2–4)

 

 Mean ± SD

4.83 ± 2.44

3 ± 0.89

0.106

  1. CSA cross sectional area, PQ pronator quadratus muscle, PS pisiform bone
  2. (1)Independent sample t test for parametric quantitative data
  3. (2)Mann-Whitney test for non-parametric quantitative data
  4. significant difference at p value < 0.05
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