Table1:
Measures | BPD (N=27) | BPM (N=30) | HC (N=33) | ANOVA |
---|---|---|---|---|
Mean (SD) | Mean (SD) | Mean (SD) | ||
Age (years) | 34 (11) | 35(11) | 33(11) | .775 |
Age at first episode (years) | 16 (8) | 14(4) | - | .395 |
Hamilton Depression Rating Scale (17 item) | 20 (3) | 6(3) | - | <.001 |
Young Mania Rating Scale | 2 (3) | 16(2) | - | <.001 |
Period off medication prior to scan (months) | 27 (32) | 53 (70) | - | .395 |
Number of prior mood episodes (depression) | >20 | >20 | - | |
Number of prior mood episodes ((hypo) mania) | >20 | >20 | - | |
Weeks Since Last Manic Episode | 23 (25) | 29 (48) | - | .539 |
Weeks Since Last Depressive Episode | 37 (29) | 37 (86) | - | .986 |
Duration of Current Episode (weeks) | 7 (6) | 2(1) | - | <.001 |
N (%) | N (%) | N (%) | X2 | |
Female | 15 (56%) | 18 (60%) | 21 (64%) | .817 |
Caucasian | 22 (82%) | 29 (97%) | 31 (94%) | .102 |
History of Trauma | 13 (48%) | 16 (53%) | 1 (3%) | .696 |
History of Psychosis | 10 (37%) | 8 (27%) | - | .400 |
Bipolar I (vs. II) | 9 (33%) | 14 (47%) | - | .306 |
History of Alcohol Abuse | 11 (41%) | 11 (37%) | - | .752 |
History of Drug Abuse | 9 (33%) | 13 (43%) | - | .439 |
Right Handedness | 17 (81%) | 21 (84%) | 30 (91%) | .551 |
NOTE: Tests compare bipolar groups with the exception of age, sex, race, and handedness, which include all three groups. The calculation of weeks since last manic/depressive episode do not include the current episode. Due to a data collection error, handedness was not collected for 11 participants (6 BPD, 5 BPM).