Table 2. Comparative profile of schizophrenia patients and healthy controls.

Characteristic	Patients	Controls	Statistic	p
N	28	37
Age [Years] *	29.9±5.7	27.4±5.6	t = 1.8	0.1
Sex Ratio [M:F] $	14∶14	20∶17	?2 = 0.1	0.7
Left Hippocampal Volume [mL]#	2.4±0.4	2.7±0.3	F = 9.8	0.003
Right Hippocampal Volume [mL]#	2.6±0.5	2.9±0.3	F = 10.5	0.002
Plasma IL-6 [pg/mL] * ,£	2.2±1.8	1.4±0.8	t = 2.3	0.03
IL-6 Genotype [GG: GC/CC]$	21∶7	27∶10	?2 = 0.03	0.9

* - Independent samples t-test;

^$- Chi-Square test; ^# - ANCOVA.

£ - data was available for 25 patients and 33 controls.