Table 5.

Analysis of possible associated features that may affect the heterogeneity of lifetime anxiety disorder comorbidity in bipolar disorder.

	Lifetime Comorbidity
	Any anxiety disorder		Panic disorder		Obsessive compulsive disorder		Social anxiety disorder		Generalized anxiety disorder
	No of Studies	p-value	No of Studies	p-value	No of Studies	p-value	No of Studies	p-value	No of Studies	p-value
% of BD I patients	35	0.43	49	0.99	41	0.31	40	0.33	33	0.85
Mean Age	38	0.87	55	0.82	48	0.01	46	0.98	35	0.49
% of Married patients	17	0.07	23	0.25	18	0.60	22	0.52	17	0.65
% of patients in a manic episode	12	0.03	19	0.08	18	0.006	19	0.02	16	0.80
% with a history of psychosis	12	0.44	22	0.92	20	0.95	21	0.31	14	0.34
% of high school and higher graduates	7	0.28	10	0.22	8	0.28	9	0.30	8	0.17
% of females	37	0.91	54	0.07	46	0.48	45	0.87	35	0.38
Duration of illness	14	0.20	12	0.83	11	0.02	13	0.24	11	0.91
Age of onset	30	0.07	46	0.08	38	0.13	38	0.006	31	0.52
% of patients with ADHD			4	0.001	3	0.001	3	0.00002	3	0.9
% of patients with SUD	30	0.15	46	0.26	38	0.44	35	0.02	28	0.31
Family history of BD	7	0.1	10	0.05	9	0.74	9	0.56	6	0.72

The bold values indicate significant variables.