Psychological predictors of bipolarity in panic disorder

Table 1 Comparison of demographic and clinical features between panic disorder with bipolarity and panic disorder without bipolarity groups

	BP+	BP-	P value
Demographic features
Patients: n (%)	128 (50.4)	126 (49.6)
Marital status			0.008
Married: n (%)	32 (25.0)	53 (42.0)
Single: n (%)	72 (56.2)	56 (44.4)
Not answered: n (%)	24 (18.7)	17 (13.4)
Age (yr)	30.78 ± 0.59	37.11 ± 3.21	< 0.001
Gender (M/F, %)	73/55 (57)	63/63 (50)	0.261
Illness history
Psychiatric history: n (%)	41 (32)	32 (25.4)	0.172
Family history: n (%)	18 (23.1)	22 (17.5)	0.960

Sex and employment status is expressed as n (number of patients, %). Other variables are expressed as mean ± SD. M: Meal; F: Female; BP+: Panic disorder with bipolarity; BP-: Panic disorder without bipolarity.