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Table 1 Demographics and Baseline Data

From: Morphologic change of nerve and symptom relief are similar after mini-incision and endoscopic carpal tunnel release: a randomized trial

Variables

Mini-incision release group

(n = 32)

Endoscopic release group

(n = 35)

P-value*

Age (yr)

51.8 ± 10.4

52.9 ± 10.6

0.694

Male/Female (n)

5/27

5/30

0.878

Occupation (n (%))

  

0.867

 Office worker

4 (13)

6 (17)

 

 Manual worker

2 (6)

2 (6)

 

 Homemaker

26 (81)

29 (77)

 

Bilateral wrists affected (n (%))

28 (88)

25 (71)

0.109

Duration of symptoms (mo)

41.3 ± 57.5

44.3 ± 58.1

0.815

Electrodiagnostic grade (n (%))

  

0.956

 Mild

3 (9)

4 (11)

 

 Moderate

21 (66)

24 (69)

 

 Severe

8 (25)

9 (20)

 

BCTQ score

 Symptom score

3.2 ± 0.9

3.1 ± 0.8

0.734

 Functional score

2.8 ± 1.1

2.7 ± 1.0

0.827

DASH score

46.0 ± 21.6

45.5 ± 19.9

0.921

CSA-I (mm2)

13.2 ± 4.6

13.0 ± 6.0

0.885

CSA-M (mm2)

8.4 ± 3.2

8.9 ± 4.0

0.543

CSA-O (mm2)

7.0 ± 2.3

7.3 ± 2.8

0.657

FR-M

3.6 ± 0.8

3.8 ± 0.9

0.550

FR-O

4.3 ± 0.9

4.3 ± 0.8

0.816

  1. Continuous values are mean ± standard deviation. BCTQ Boston Carpal Tunnel Questionnaire, DASH Disabilities of Arm, Shoulder and Hand, CSA-I Cross-Sectional Area - Inlet, CSA-M Cross-Sectional Area - Middle, CSA-O Cross-Sectional Area - Outlet, FR-M Flattening Ratio - Middle, FR-O Flattening Ratio – Outlet. *P values are calculated using the Pearson’s chi-squared test and the Cochran-Armitage trend test for categorical variables, and a two sample t-test and the Wilcoxon rank sum test for continuous variables