Table 4.

Pearson Correlations of Demographic and Clinical Variables with Chemokine Index based on Eotaxin-1 and MDC Levels in Schizophrenia and Healthy Comparison Groups

	Schizophrenia		Healthy Comparison
	r or t	p	r or t	p
Age (years)	.23*	.007	.11	.24
Gender	1.1†	.26	2.1†*	.04
Race	1.8†	.07	.23†	.82
Education (years)	.14†	.89	−.84†	.40
Body mass index	−.16	.06	.05	.60
Current smoking status	−1.0†	.32	−1.5†	.14
Illness duration (years)	.21*	.02	--	--
SAPS- total	.01	.87	--	--
SANS- total	.18*	.04	--	--
Antipsychotic daily dosage (Total WHO DDD)	−.05	.60	--	--
Depressive symptoms (PHQ-9 severity score)	.01	.95	.28**	.003
Psychotropic medication	−.28†	.78	.1.3†	.20
Anti-inflammatory medication	−.03†	.97	−.66†	.51
Multisystem Disease Risk score	.04	.70	.21	.05
SF-36, Physical Composite Scale	.01	.90	−.11	.26
SF-36, Mental Composite Scale	.01	.87	−.20*	.04
CIRS- total score	.13	.16	.30**	.003
CIRS- severity score	.04	.66	.26*	.01
Executive Functioning Composite	−.11	.20	−.05	.64
Framingham Coronary Heart Disease Risk score	.04	.68	.16	.10

r = Pearson’s correlation,

^†t = Student’s t, SAPS = Scale for the Assessment of Positive Symptoms, SANS = Scale for the Assessment of Negative Symptoms, WHO DDD = World Health Organization defined daily dose, PHQ = patient health questionnaire, SF-36 = Medical Outcome Survey 36-item Short Form, CIRS = Cumulative Illness Rating Scale;

^{** and *}significant difference at ≤ 0.01 and 0.05, respectively.