Table 2.
Component Loading Matrix and Communalities for the 26 Log-Transformed Cytokine Variables on the First Six Principal Components after Varimax Rotation
| Cytokine Variable | PC-1 | PC-2 | PC-3 | PC-4 | PC-5 | PC-6 | Com. |
|---|---|---|---|---|---|---|---|
| IL6 | .755 | -- | .318 | -- | -- | -- | .757 |
| IL10 | .747 | .362 | -- | -- | -- | -- | .788 |
| CCL3 (MIP1α) | .706 | -- | .394 | -- | -- | -- | .737 |
| TNFα | .699 | .552 | -- | -- | -- | -- | .829 |
| CCL2 (MCP1) | .641 | -- | .450 | -- | -- | -- | .683 |
| CCL20 (MIP3α) | .581 | -- | -- | .388 | -- | −.368 | .736 |
| CXCL5 (ENA-78) | .549 | -- | -- | -- | -- | -- | .473 |
| CXCL9 (MIG) | .538 | -- | -- | .523 | -- | -- | .602 |
| IL17F | -- | .808 | -- | -- | -- | -- | .806 |
| IL4 | -- | .792 | -- | -- | -- | -- | .717 |
| IL2 | -- | .789 | -- | -- | -- | -- | .748 |
| IL23 | .319 | .731 | -- | -- | -- | .304 | .752 |
| IL17A | .541 | .574 | -- | -- | -- | -- | .721 |
| IL5 | -- | .381 | .718 | -- | -- | -- | .797 |
| IL13 | -- | .436 | .672 | -- | -- | -- | .748 |
| IgE | -- | -- | .645 | -- | -- | -- | .513 |
| IL9 | -- | .486 | .627 | -- | -- | -- | .683 |
| VEGF-A | -- | -- | -- | .692 | -- | -- | .576 |
| CCL11 (Eotaxin) | -- | -- | .516 | .679 | -- | -- | .773 |
| EGF | -- | -- | -- | .672 | −.483 | -- | .713 |
| IL8 | -- | -- | -- | .553 | -- | -- | .355 |
| CXCL11 (I-TAC) | .468 | -- | -- | .516 | -- | -- | .593 |
| bFGF | -- | -- | -- | -- | .837 | -- | .812 |
| IL33 | -- | -- | -- | -- | .785 | -- | .684 |
| CCL5 (RANTES) | .562 | -- | -- | -- | .569 | -- | .674 |
| CXCL1 (GROα) | -- | -- | -- | -- | -- | .822 | .798 |
N=198. All cytokine variables are log transformed. PC-1 through PC-6 are the six rotated principal components. Component loadings less than |.30| are suppressed and available on request. Com., Cytokine communalities based on the rotated 6 component solution.