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Table 1 Patient allocation in groups of active and placebo probiotic agent

From: Association of a probiotic to a Helicobacter pylorieradication regimen does not increase efficacy or decreases the adverse effects of the treatment: a prospective, randomized, double-blind, placebo-controlled study

   Active Placebo p
N   55 52  
Gender male 21 19  
  female 34 33 0.86
Disease peptic ulcer* 27 24  
  dyspepsia 28 28 0.76
Mean age (years)   50.4 48.4 0.78
  1. Pearson Chi-Square.
  2. *29 duodenal 17 gastric 5 gastric + duodenal.