From: High vitamin B12 level and good treatment outcome may be associated in major depressive disorder
 | Nonresponse (n = 40) | Partial response (n = 34) | Full response (n = 41) |
---|---|---|---|
 | Mean (SD) | Mean (SD) | Mean (SD) |
Haemoglobin (g/l) | 141.7 (10.1) | 141.1 (13.3) | 139.1 (14.8) |
Mean corpuscular volume (fl) | 92.5 (6.0) | 90.4 (5.8) | 89.5 (6.6) |
Red blood cell count (cell12/l) | 4.51 (0.46) | 4.57 (0.39) | 4.56 (0.42) |
Hematocrit (%) | 41.6 (3.1) | 41.2 (3.7) | 40.8 (4.0) |
Vitamin B12 at baseline (pmol/l)1 | 347.2 (103.4) | 396.0 (108.4) | 439.1 (115.6) |
Vitamin B12 on follow-up (pmol/l)2 | 280.4 (93.3) | 316.2 (98.2) | 338.8 (87.5) |
Folate at baseline (nmol/l) | 409.7 (126.0) | 431.5 (114.8) | 446.8 (244.8) |
HDRS score at baseline3 | 16.8 (7.2) | 22.3 (5.6) | 17.8 (5.4) |
HDRS score on follow-up4 | 17.6 (4.9) | 13.8 (3.7) | 4.6 (3.2) |