From: Distinguishing bipolar and major depressive disorders by brain structural morphometry: a pilot study
 | BD (n = 16) | MDD (n = 19) | HC (n = 29) | F/χ2/t-scores | p-value |
---|---|---|---|---|---|
Male % (male/female) | 37.5 % (6/10) | 42.1 % (8/11) | 37.9 % (11/18) | χ2 = 0.11 | 0.95 |
Right-handed % | 100 | 100 | 100 | F(2) = 0.00 | 1.00 |
Age (in years) | 26.3 (7.9) | 30.0 (8.9) | 27.1 (8.4) | F(2) = 1.02 | 0.37 |
Education (in years) | 15.1 (1.8) | 14.4 (3.2) | 14.9 (2.5) | F(2) = 0.42 | 0.66 |
IQ estimates | 116.9 (16.1) | 116.7 (13.1) | 120.4 (12.7) | F(2) = 0.54 | 0.59 |
Intracranial Volume (ICV, cm3) | 1295 (207) | 1439 (195) | 1372 (201) | F(2) = 2.24 | 0.12 |
Medication History | |||||
 Untreated (N) | 5 | 8 | / | / | / |
 Antidepressants (N) | 5 | 11 | / | / | / |
 Antipsychotics (N) | 8 | 2 | / | / | / |
 CPZ (mg) | 226.2 (327.4) | 38.3 (40.1) | / | / | / |
 Atypical (N) | 8 | 1 | / | / | / |
 Typical (N) | 0 | 1 | / | / | / |
 Trihexyphenidyl (N) | 1 | 0 | / | / | / |
 Antianxiety (N) | 2 | 3 | / | / | / |
 Lithium (N) | 2 | 0 | / | / | / |
 Valproate (N) | 2 | 0 | / | / | / |
 Lithium + Valproate (N) | 1 | 0 | / | / | / |
Clinical Information | |||||
 Duration of illness (in years)* | 5.2 (4.8) | 4.9 (3.5) | / | t = -0.23 | 0.82 |
 HAMD-17* | 9.9 (4.5) | 11.1 (4.3) | / | t = 0.77 | 0.45 |
 YMRS* | 6.40 (6.9) | 2.2 (2.6) | / | t = -2.35 | 0.03 |