Vitamin D deficiency is associated with apolipoprotein A1 levels in patients with young-onset type 2 diabetes mellitus

Figure 2 The distribution of vitamin D status in type 2 diabetes mellitus patients and non-diabetic control subjects. A: The average levels of vitamin D levels between patients with type 2 diabetes mellitus (T2DM) and non-diabetic controls; B: The distribution of vitamin D status in T2DM patients: Majority of T2DM patients (55.8%) were classified as vitamin D deficient, with 15.4% having severe vitamin D deficiency; C: The distribution of vitamin D status in non-diabetic control subjects: majority of T2DM patients (50%) were classified as vitamin D deficient, with 10% having severe vitamin D deficiency. ^dP < 0.001. T2DM: Type 2 diabetes mellitus; DM: Diabetes mellitus.