Table 1 Characteristics of subjects in methionine load test study

Females with diabetes:

Age (y)

14

67.5

60 – 74

Body Mass Index

14

27.0

17.1 - 37.6

Fasting plasma glucose (μmol/L)

14

7.4

5.5 - 10.2

Serum vitamin B₁₂ (pmol/L)

14

337

215 – 587

Red cell folate (nmol/L)

14

677

508 – 964

Hemoglobin A_1c (%)

14

7.75

6.7 - 9.8

Males with diabetes:

Age (y)

20

69

51 – 75

Body Mass Index

20

27.2

22.1 - 42.3

Fasting plasma glucose (μmol/L)

20

7.85

4.8 - 14.8

Serum vitamin B₁₂ (pmol/L)

20

330.5

129 – 697

Red cell folate (nmol/L)

20

655.5

406 – 1046

Hemoglobin A_1c (%)

20

7.4

5.3 - 9.0

Female control subjects:

Age (y)

7

63

55 – 69

Body Mass Index

7

28.7

24.9 - 33.5

Fasting plasma glucose (μmol/L)

7

4.5

3.9 - 5.8

Serum vitamin B₁₂ (pmol/L)

7

357

302 – 580

Red cell folate (nmol/L)

7

840

546 – 1071

Male control subjects:

Age (y)

10

57

54 – 66

Body Mass Index

10

26.8

21.1 - 36.5

Fasting plasma glucose (μmol/L)

10

4.75

3.9 - 5.8

Serum vitamin B₁₂ (pmol/L)

10

355.5

227 – 837

Red cell folate (nmol/L)

10

847

507 – 971