Table 2.

Principal component loadings for nine cytokines measured in cord serum (n=272).

	Principal Components
Cytokines	1. Global	2. Acute Phase	3. Anti- inflammatory	4. TNF-α	5. IL-1β
IL-1β	0.31	0.43	−0.01	−0.08	0.75
IL-2	0.37	−0.01	−0.39	−0.07	0.03
IL-6	0.31	0.50	0.26	0.01	−0.12
IL-8	0.32	0.42	−0.10	0.34	−0.53
IL-10	0.30	−0.21	0.70	−0.30	−0.19
IL-12p70	0.34	−0.19	−0.49	−0.18	−0.23
IFN-γ	0.36	−0.38	−0.09	−0.23	0.11
TNF-α	0.28	−0.38	0.14	0.83	0.20
GM-CSF	0.39	−0.12	0.12	−0.14	0.01
Eigenvalue	4.79	1.16	0.73	0.61	0.49
% Variance explained	53	13	8	7	6
% Cumulative variance	53	66	74	81	87