Table 7

Median (range) vitamin B12 (ng/l) concentrations in patients with inflammatory bowel disease (IBD) and normal healthy controls stratified by MTHFR C677T variant

Vitamin B12(ng/l)
Genotype IBD Controls p Value
TT364 (96–596)n=24497 (344–673)n=70.02
CT390 (171–875)n=70470 (265–748)n=310.02
CC397 (212–801)n=70428 (165–800)n=440.02
  • IBD: TT versus CT, p=0.1; TT versus CC, p=0.06.

  • Controls: TT versus CT, p=0.9; TT versus CC, p=0.9.