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Table 1 Demographics and risk factors

From: CagA-positive Helicobacter pylori infection is not associated with decreased risk of Barrett's esophagus in a population with high H. pylori infection rate

   Control (n = 213) Barrett's (n = 104) OR 95% C.I. p
   n % n %    
Age   53.37 ± 16.01 53.96 ± 16.25    0.995
Gender Male 147 69.0 82 78.8 1.67 0.96–2.91 0.089
  Female 66 31.0 22 21.2    
  M:F ratio 7.9:2.1 7:3    
Alcohol No or <80 g/day 209 98.1 90 86.5 8.13b 2.60–25.37 0.000
  >80 g/day 4 1.9 14 13.5    
Smoking No 130 61.0 54 51.9    
  Yes 66 31.0 32 30.8    0.039
  Former 17 8.0 18 17.3    
H. Pylori Positive 159 74.6 91 87.5 2.38 1.23–4.59 0.013
CagA + Positive 116 54.5 67 64.4 1.51 0.93–2.46 0.118
VacA + Positive 99 46.5 59 56.7 1.51 0.94–2.42 0.111
Type1 a Positive 88 41.3 46 44.2 1.13 0.70–1.81 0.710
  1. aType1: CagA+ vacA+
  2. bOR of Barrett's esophagus for >80 grams of alcohol per day vs. <80 gr/day