Table 2.

Effect sizes for the relationship between anti-inflammatory markers and cognitive dysfunctioning.

Test	k	N	r	95% CI	z	p	Q test	Q test (p)	I2
Global cognitive performance	5	408	0.067	−0.069 to 0.201	0.966	0.334	6.46	0.168	38.03
Verbal memory	3	264	−0.074	−0.240 to 0.097	−0.846	0.398	3.31	0.191	39.65
Processing speed	4	314	0.125	−0.030 to 0.275	1.587	0.113	5.41	0.144	44.58
Reasoning	4	249	−0.002	−0.245 to 0.241	−0.019	0.985	7.53	0.057	60.14

K number of studies, N total number of participants, r mean effect size of correlation.