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) |