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Table 1 Demographic and baseline characteristics of the groups

From: Comparison of single-dose radial extracorporeal shock wave and local corticosteroid injection for treatment of carpal tunnel syndrome including mid-term efficacy: a prospective randomized controlled trial

Characteristic

rESWTa (n = 13)

LCsIb (n = 12)

p value

Age, median (mean +/− SD), y

46 +/−  9

53 +/−  12

0.12

Gender, n (%)

  

0.16

 Male

5 (62)

1 (8)

 

 Female

8 (38)

11 (92)

 

Body mass index, (mean +/− SD)

28 (5)

24 (3)

0.09

Lesion site, n (%)

  

> 0.99

 Right

9 (69)

8 (67)

 

 Left

4 (31)

4 (33)

 

 Unilateral

9 (69)

12 (100)

 

 Bilateral

4 (31)

0

 

Severity, n (%)

  

> 0.99

 Mild

5 (62)

4 (33)

 

 Moderate

8 (38)

8 (67)

 

Baseline visual analogue scale, (mean +/− SD)

2.4 +/− 2.5

2.6 +/−  2.0

0.60

Baseline symptom severity score, (mean +/− SD)

21 +/−  6.4

22 +/−  5.1

0.63

Baseline functional score, (mean +/− SD)

14 +/−  3.2

12 +/−  4.1

0.16

Baseline Boston questionnaire score, (mean +/− SD)

35 +/−  8.5

34 +/−  8.5

0.77

Baseline peak sensory distal latency, (mean +/− SD)

4.5 +/−  0.72

3.7 +/−  1.3

0.057

Baseline SNAPc amplitude, (mean +/− SD)

17 +/−  6.9

18 +/−  10

0.72

Baseline motor distal latency, (mean +/− SD)

4.5 +/−  0.35

4.7 +/−  0.90

0.57

Baseline CMAPd amplitude, (mean +/− SD)

6.9 +/−  1.5

6.0 +/−  0.61

0.16

  1. arESWT = Radial extracorporeal shockwave therapy
  2. bLCsI = Local corticosteroid injection
  3. cSNAP = Sensory nerve action potential
  4. dCMAP = Compound muscle action potential