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. Author manuscript; available in PMC: 2021 Oct 1.
Published in final edited form as: Brain Imaging Behav. 2020 Oct;14(5):1747–1757. doi: 10.1007/s11682-019-00109-4

Table1:

Clinical and demographic information by group

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).