Table 1.

Sociodemographic data and serum cytokine levels in 50 female patients with borderline personality disorder with comorbid major depressive disorder and 100 comparison subjects

Group	Age (years)		IL-6 (pg/mL)			TNF-α (pg/mL)
	Mean	SD	Mean	SD	SEM	Mean	SD	SEM
Comparison group (n = 100)	27.6	4.8	0.893	1.132	0.113	1.332	2.184	0.218
Patients with borderline personality disorder with comorbid major depressive disorder
BPD plus lifetime major depressive disorder (n = 31)	27.5	4.7	7.769*	18.10	3.251	5.184	22.06	3.961
BPD plus current major depressive episode (n = 19)	27.2	5.0	2.432	2.688	0.617	0.989	0.858	0.197

^*Note: P = 0.0004 versus the comparison group.

Abbreviations: BPD, borderline personality disorder; IL-6, interleukin 6; TNF-α, tumor necrosis factor-α; SD, standard deviation; SEM, standard error of the mean.