Table 3.

Eigenvalues (proportion of variance explained) and eigenvectors for principal components (PC) 1–6 of 31 normalized, transformed biomarker ratios, with positive (>0.10) and negative (<−0.10) loadings for each PC highlighted in red and green, respectively.

	PC1	PC2	PC3	PC4	PC5	PC6
Eigenvalue	0.252	0.135	0.087	0.054	0.050	0.038
GM_CSF	0.1806	0.2986	−0.0082	−0.1514	−0.1308	0.1669
Haptoglobin	−0.0103	0.0158	−0.0865	−0.2198	0.2686	−0.0016
IFN-γ	0.1971	0.2712	−0.1935	−0.0652	−0.1328	0.1277
IL-1α	0.2093	−0.1097	−0.0716	0.1074	0.1498	0.1518
IL-1β	0.2725	−0.1505	−0.1086	−0.1254	0.0327	0.1124
IL-1ra	0.2456	0.0251	−0.1024	0.1878	0.2135	−0.1045
IL-2	0.0943	0.3828	0.0809	−0.0184	−0.0830	−0.1046
IL-3	0.1638	0.1403	−0.1906	0.2698	0.0158	0.2457
IL-4	0.1381	0.3585	0.0080	−0.0044	0.0127	−0.1580
IL5	0.0955	0.3748	0.0241	−0.0011	0.0087	−0.0888
IL-6	0.2592	−0.0606	−0.1091	0.1449	−0.0740	−0.0097
IL-7	0.0701	−0.1006	−0.1721	0.4770	−0.0512	0.2287
IL-8	0.1099	−0.1930	0.2179	0.1717	−0.4130	0.0104
IL-10	0.1574	0.2512	0.0894	0.1577	0.1520	−0.1306
IL-12p40	0.2666	−0.1126	−0.1221	−0.1356	0.0154	−0.1031
IL-12p70	0.0939	0.1225	−0.3440	−0.0699	−0.3050	0.0051
IL-15	0.2616	−0.1180	0.0539	−0.1729	0.0841	−0.0782
IL-17	0.1009	0.2954	0.1286	−0.2116	−0.0303	0.3153
IL-18	0.2256	−0.0519	−0.0071	0.0866	0.2426	0.1040
IL-23	0.2527	−0.1490	−0.0557	−0.1436	0.0284	−0.0902
MIP1α	0.2107	−0.1240	0.2047	−0.1826	−0.2674	0.0448
MIP1β	0.1623	−0.0719	0.2168	0.1771	−0.3381	−0.0978
MMP9	0.2009	−0.0835	0.0379	−0.1412	−0.0229	−0.2387
MCP1	0.1226	0.0460	0.3517	0.1571	−0.0017	0.1346
SCF	0.2655	−0.1175	0.0161	−0.2352	0.0780	0.1463
TIMP1	0.0990	−0.0063	0.4512	0.0418	0.1902	−0.1643
TNFα	0.1706	−0.1097	−0.2093	0.2004	−0.2020	−0.1155
TNFβ	0.0148	0.0756	−0.2514	0.2063	0.1850	−0.4869
TNFR2	0.2140	0.0265	0.3014	0.2235	0.2017	−0.0665
VEGF	0.1480	−0.1754	−0.1230	−0.2414	0.0544	−0.1660
vWF	0.0228	−0.0768	−0.0191	0.0479	0.3267	0.4278