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Table 3 Nerve conduction parameters prior to and following treatment

From: Repetitive TMS in treatment of resistant diabetic neuropathic pain

Characteristic Pre-treatment Post-treatment p
Insulin-dependent (group A)
 Right tibial nerve, mean (SD)
  Latency, ms 4.98 (1.57) 4.54 (1.20) 0.035*
  Conduction velocity, m/sec 37.49 (5.81) 42.71 (4.56) 0.005**
 Left tibial nerve, mean (SD)
  Amplitude, mV 3.69 (2.33) 4.41 (2.25) 0.007**
  Conduction velocity, m/sec 37.40 (8.55) 41.96 (6.99) 0.028*
 Right peroneal, mean (SD)
  Latency, ms 4.77 (1.05) 4.48 (1.10) 0.028*
  Conduction velocity, m/sec 37.96 (5.66) 41.90 (4.55) 0.008**
 Right motor ulnar nerve, mean (SD)
  Conduction velocity, m/sec 51.11 (5.15) 54.10 (4.72) 0.005**
 Left motor ulnar nerve, mean (SD)
  Latency, ms 3.17 (0.56) 2.79 (0.47) 0.028*
 Right sensory ulnar nerve, mean (SD)
  Latency, ms 3.68 (0.39) 3.30 (0.49) 0.012*
  Conduction velocity, m/sec 37.45 (3.78) 42.32 (7.37) 0.012*
 Left sensory ulnar nerve, mean (SD)
  Latency, ms 3.36 (0.27) 2.94 (0.29) 0.042*
  Amplitude, μV 7.16 (4.83) 11.58 (6.22) 0.043*
  Conduction velocity, m/sec 42.26 (6.34) 47.24 (11.81) 0.043*
 Upper limb F-wave latency, mean (SD), ms 37.39 (6.57) 35.51 (6.96) 0.034*
 Lower limb F-wave latency, mean (SD), ms 57.34 (6.95) 54.34 (7.17) 0.043*
Non-insulin-dependent (group B)
 Right tibial nerve, mean (SD)
  Latency, ms 5.93 (2.98) 5.22 (2.08) 0.02*
 Left tibial nerve, (SD)
  Conduction velocity, m/sec 38.96 (5.28) 42.23 (6.37) 0.005**
 Right peroneal nerve, mean (SD)
  Conduction velocity, m/sec 40.77 (4.83) 42.49 (3.72) 0.074
 Right ulnar (motor) nerve, mean (SD)
  Latency, ms 3.41 (1.01) 2.91 (1.18) 0.007**
 Left ulnar (motor) nerve, mean (SD)
  Latency, ms 3.56 (1.08) 3.04 (1.10) 0.007**
  Amplitude, mV 5.21 (3.60) 5.93 (3.21) 0.047*
 Left ulnar (sensory) nerve, mean (SD)
  Latency, ms 3.04 (0.20) 2.74 (0.38) 0.027*
 Lower limb F-wave latency, mean (SD) 53.89 (6.73) 51.84 (6.89) 0.018*
  1. *Significant p value at < 0.05
  2. **Highly significant p value at < 0.01
  3. p probability, SD standard deviation, ms milliseconds, m/sec meter/second, μV microvolt, mV millivolt