Table 3

BDI and homocysteine scores in patients with vitamin B12 deficiency and hyperhomocysteinaemia

No vitamin B12 deficiency, mean (SD)

Vitamin B12 deficiency, mean (SD)

t Test

P value

No hyperhomocysteinaemia, mean (SD)

Hyperhomocysteinaemia, mean (SD)

t Test

P value

BDI

29.81 (10.39)

38.37 (15.3)

-2.036

0.046

29.82 (10.51)

39.14 (15.99)

-2.063

0.044

HAM-D-21

33.18 (10.59)

34.41 (8.03)

-0.38

0.0705

33.71 (10.51)

36 (8.22)

-0.587

0.559

BDI, Beck Depression Inventory; HAM-D-21, 21-item Hamilton Depression Rating Scale.

Güzelcan and van Loon Annals of General Psychiatry 2009 8:18   doi:10.1186/1744-859X-8-18