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Table 2 Comparisons of the values of CPT testing at three different frequencies on the painful and non-painful sides

From: Evaluation of the pathophysiology of classical trigeminal neuralgia by blink reflex study and current perception threshold testing

 

Painful

Non-painful

P

5 Hz

 Acute (n = 13)

11.62 ± 6.99

18.69 ± 9.66

0.025*

 Chronic (n = 36)

26.67 ± 18.65

19.69 ± 13.70

0.010*

250 Hz

 Acute (n = 13)

30.23 ± 12.29

38.00 ± 14.62

0.168

 Chronic (n = 36)

41.00 ± 22.17

36.42 ± 16.34

0.179

2000 Hz

 Acute (n = 13)

101.23 ± 40.11

122.77 ± 31.89

0.066

 Chronic (n = 36)

125.67 ± 43.23

124.58 ± 45.83

0.851

  1. Values are mean ± standard deviations in 0.01 mA
  2. * Statistically significant