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Table 1 Genotype frequency of the oxytocin (OXT) promoter region rs6133010 A>G in patients, subjects and controls

From: Polymorphism in the oxytocin promoter region in patients with lactase non-persistence is not related to symptoms

Genotype A
N (%)
A/G
n (%)
G/G
N (%)
P value
Constipation-predominated IBS (n:35) 30 (85.7) 5 (14.3) 0 (0.0)  
Mixed IBS (n:59) 49 (83.1) 10 (16.9) 0 (0.0) P = 0.60*
Diarrhoea-predominated IBS (n:35) 26 (74.3) 9 (25.7) 0 (0.0)  
Lactase persistence (n:254) 208 (81.9) 46 (18.1) 0 (0.0)  
Lactase non-persistence (n:154) 111 (72.1) 42 (27.3) 1 (0.6) P = 0.08**
Controls (n:299) 240 (80.3) 58 (19.4) 1 (0.3)  
  1. * = Comparisons made between subgroups of patients with Irritable Bowel Syndrome (IBS).
  2. ** = Comparisons made between controls and lactase persistent- and lactase non-persistent subjects.
  3. Fisher's exact test.