Relationship between daily dosage of sulfonylurea regimen and vitamin B₁₂ deficiency.

Multivariable logistic regression analysis models were adjusted as follows: model 1: sex, age; model 2: model 1 + diabetes duration, hypertension, HbA1c; model 3: model 2 + duration of metformin, daily dose of metformin; model 4: model 3 + alcohol, hemoglobin, presence of anemia. Group 1; glimepiride 1 mg, gliclazide 80 mg, gliclazide MR 30 mg, glibenclamide 5 mg, Group 2; glimepiride 2 mg, gliclazide 160 mg, gliclazide MR 60 mg, glibenclamide 10 mg, Group 3; glimepiride 3 mg, gliclazide 240 mg, gliclazide MR 90 mg, glibenclamide 15 mg, Group 4; glimepiride 4 mg, gliclazide 320 mg, gliclazide MR 120 mg, glibenclamide 20 mg. Relationship between daily dosage of sulfonylurea regimen and vitamin B12 deficiency.