. 2011 Mar 24;2011:716301. doi: 10.1155/2011/716301

Table 7.

Forward stepwise regression for serum iron markers and red blood cell indices in terms of pro- and anti-inflammatory cytokines (*significant, ^√non-significant, and coefficient values).

	INF-γ	TNF-α	Il-1β	Il-6	Il-12	Il-8	GM-CSF	Il-4	Il-5	TGF- β	Il-10	R²	Adjusted R²
Serum iron												0.000	0.000

			√			∗				∗		0.51	0.45
Serum transferrin			0.05			-0.09				0.39		0.51	0.45

										∗		0.17	0.13
Transferrin saturation										-0.61		0.17	0.13

	√			√	∗	√		√	√	∗	√	0.73	0.62
Serum ferritin	0.16			-0.24	-0.46	0.32		0.58	0.45	-0.81	0.33	0.73	0.62

		√			∗	√	√			∗		0.61	0.52
Transferrin/log ferritin		-0.38			0.21	-0.12	0.09			0.38		0.61	0.52

Soluble transferrin	√					√	√					0.25	0.16
receptor	0.11					-0.12	0.13					0.25	0.16

Soluble transferrin		∗				√			∗	√		0.39	0.28
receptor/log ferritin		0.50				-0.13			-0.37	0.31		0.39	0.28

										∗	∗	0.28	0.23
Red blood cell count										0.28	-0.13	0.28	0.23

										√	∗	0.29	0.23
Haemoglobin										0.19	-0.17	0.29	0.23

			√							√	∗	0.36	0.28
Haematocrit			-0.06							0.22	-0.15	0.36	0.28

								∗				0.22	0.19
Mean corpuscular volume								-0.08				0.22	0.19

Mean corpuscular								∗	√	√		0.28	0.19
haemoglobin								-0.08	-0.06	-0.10		0.28	0.19

Mean corpuscular					√					∗	√	0.33	0.24
haemoglobin concentration					0.02					-0.04	-0.01	0.33	0.24

Red blood cell							√				∗	0.29	0.23
distribution width							0.05				0.10	0.29	0.23