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. 2013 Sep 5;24(12):2071–2080. doi: 10.1681/ASN.2013030314

Table 2.

Correlation coefficients between cytokine concentrations

Variable	Dialysate				Plasma
Variable	IL-1β	IFN-γ	IL-6	TNF-α	IL-1β	IFN-γ	TNF-α
Incident
Dialysate (n=563)
IFN-γ	0.65^a
IL-6	0.29^a	0.29^a
TNF-α	0.82^a	0.74^a	0.42^a
Plasma (n=557)
IL-1β	−0.004	0.005	−0.01	−0.07
IFN-γ	0.0002	−0.01	0.11	−0.007	0.1
TNF-α	−0.05	−0.01	0.15^b	−0.03	0.08	0.5^a
IL-6	0.05	0.09	0.28^a	0.04	0.13^b	0.25^a	0.35^a
Prevalent
Dialysate (n=378)
IFN-γ	0.61^a
IL-6	0.21^a	0.32^a
TNF-α	0.76^a	0.75^a	0.4^a
Plasma (n=379)
IL-1β	0.12	0.1	−0.02	0.09
IFN-γ	0.04	0.05	−0.001	0.05	0.12
TNF-α	−0.07	−0.06	0.11	0.01	0.14	0.43^a
IL-6	−0.02	0.11	0.27^a	0.07	0.15	0.24^a	0.29^a

There were 548 and 374 common observations between dialysate and plasma samples for incident and prevalent, patients respectively.

^a

Sidak adjusted P values ≤0.001.

^b

P=0.01–0.05; otherwise P<0.05.