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Table 1 The frequency, amplitude and conduction velocity of the slow waves of the healthy volunteers and patients with gastroesophageal reflux disease (GERD)+

From: Electroesophagogram in gastroesophageal reflux disease with a new theory on the pathogenesis of its electric changes

  Slow waves
  Frequency c/m Amplitude (mV) Velocity (cm/s)
  Mean Range Mean Range Mean Range
Volunteers 5.2 ± 1.3 4 – 7 0.52 ± 0.1 0.4 – 0.6 4.8 ± 0.7 3.5 – 6.1
Score 1 GERD 4.8 ± 1.2 4 – 6 0.49 ± 0.1 0.35 – 0.6 4.6 ± 0.7 4.1 – 5.9
Score 2 GERD Irregular
Score 3 GERD Absent waves
  1. + values were given as the mean ± SD
  2. p > 0.05
  3. p values of the patients were compared to those of the healthy volunteers