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Table 3 Comparison of the results of physical examinations and NCSs in CTS patients

From: Comparative effectiveness of ultrasound and paraffin therapy in patients with carpal tunnel syndrome: a randomized trial

 

Treatment group

P valueb

Paraffin therapy

US therapy

(n = 43)

(n = 37)

Monofilament test

  

0.95

  BT

29.5±3.7

30.1±4.1

 

  AT

30.7±3.0

30.9±2.7

 

  Difference (AT-BT)

1.2±3.5

1.2±3.3

 

  P valuea

0.03

0.05

 

Palmar pinch power (kg)

  

0.34

  BT

3.2±1.8

3.2±1.2

 

  AT

3.6±1.5

3.6±1.1

 

  Difference (AT-BT)

0.4±1.8

0.5±1.4

 

  P valuea

0.44

0.01

 

Distal motor latency of the median nerve (ms)

  

0.06

  BT

5.10±1.27

5.11±1.34

 

  AT

4.98±1.51

5.08±1.30

 

  Difference (AT-BT)

-0.3±0.6

-0.03±0.6

 

  P valuea

0.77

0.91

 

Distal sensory latency of the median nerve (ms)

   

  BT

3.7±0.9

3.6±0.8

0.83

  AT

3.4±0.8

3.6±1.4

 

  Difference (AT-BT)

-0.2±0.9

0.03±1.1

 

  P valuea

0.11

0.91

 
  1. Abbreviations: CTS carpal tunnel syndrome; NCS nerve conduction study; US ultrasound; BT before treatment; AT after treatment.
  2. aPaired t test (generalized estimating equation).
  3. bComparison of differences in changes after treatment between groups after adjusting for age, gender and baseline values (generalized estimating equation).