Table 1

Demographic and clinical characteristics of patients with bipolar disorder

Patient groupTotal analysesSubgroup analysesRegression analyses
Studies, n (%)Patients, nControls, nStudies, n (%)Patients, nControls, nFemale patients, n (%)Studies reporting YMRS, n (%)Lithium users, n (%)Antipsychotic users, n (%)Antidepressant users, n (%)
All BD50 (100)184322891008 (54.69)24 (48)603 (32.72)677 (36.73)254 (13.78)
BDI47 (94)1558NA39 (78)14911661822 (55.13)21 (53.85)501 (33.60)562 (37.69)217 (14.55)
BDII or others9 (18)188NANANANANA
BD, euthymic phase27 (54)799NA20 (40)681707333 (48.90)NANA307 (45.08)107 (15.71)
BD, depression phase16 (32)514NA7 (14)376361NANANANANA
BD, mania phase10 (20)136NANANANANA
BD, mixed phase1 (2)5NANANANANA
BD, psychosis11 (22)38159811 (22)381598NANANANA
  • BD = bipolar disorder; BDI = bipolar disorder type I; BDII = bipolar disorder type II; NA = not available; YMRS = Young Mania Rating Scale.