Table 4 Explorative factor analysis: Factor weights are summarized in the table, which shows that there is no difference among groups in dimensions 1 and 2, but significant differences were found in dimensions 3–6

Dimension 1

IL-15

0.915

IL-2

0.883

Basic FGF

0.881

IL-1beta

0.866

IL-12(p40)

0.840

IL-7

0.814

IL-4

0.765

IL-17

0.759

RANTES

0.730

IL-5

0.678

IL-13

0.626

GRO-alpha

0.494

Dimension 2

SCGF-beta

-0.001

0.906

SCF

0.234

0.876

IL-2Ralpha

0.327

0.841

M-CSF

0.507

0.761

Dimension 3

MIP-1beta

0.035

0.258

0.862

MCP-3

0.402

0.036

0.834

IL-1ra

0.252

0.053

0.783

MÍG

0.211

0.451

0.687

IL-8

0.052

-0.095

0.602

Dimension 4

Eotaxin

0.233

0.130

0.014

0.812

CTACK

0.252

0.444

0.056

0.699

Dimension 5

IL-18

0.132

0.209

0.098

0.033

0.824

MIF

-0.066

0.315

0.164

0.363

0.770

IL-16

-0.119

0.427

0.311

0.344

0.675

Dimension 6

IFN-alpha2

0.466

0.043

0.148

0.244

0.057

0.727

PDGF-BB

0.486

-0.037

0.228

-0.131

0.168

0.669

TRAIL

0.249

0.092

-0.012

0.532

0.098

0.639