Varimax rotated factor loading matrix for all 92 asthmatic patients*
| Factor 1 | Factor 2 | Factor 3 | Factor 4 | |
|---|---|---|---|---|
| EBC, exhaled breath condensate; LTB4, leukotriene B4; MDC, macrophage derived chemokine; TARC, thymus and activation regulated chemokine. | ||||
| *Bold values represent the highest factor loadings. | ||||
| Plasma total IgE concentration | 0.710 | 0.034 | −0.009 | −0.270 |
| Specific IgE to D pteronyssinus | 0.684 | 0.031 | −0.016 | −0.020 |
| Peripheral blood eosinophil percentage | 0.609 | 0.158 | −0.037 | 0.147 |
| Feno | 0.576 | −0.392 | −0.215 | 0.408 |
| Plasma TARC concentration | 0.088 | 0.839 | −0.020 | 0.222 |
| Plasma MDC concentration | 0.089 | 0.795 | −0.183 | −0.187 |
| EBC LTB4 concentration | −0.141 | −0.100 | 0.726 | 0.199 |
| EBC MDC concentration | −0.295 | 0.007 | 0.628 | 0.037 |
| EBC eotaxin concentration | −0.301 | −0.130 | 0.590 | 0.018 |
| Disease severity score | 0.014 | 0.097 | 0.217 | 0.681 |
| Body mass index | −0.025 | −0.073 | 0.037 | 0.579 |
| Plasma eotaxin concentration | −0.009 | 0.461 | −0.341 | 0.550 |
| Eigenvalue | 1.89 | 1.77 | 1.52 | 1.49 |
| Total variance explained (%) | 15.7 | 14.8 | 12.6 | 12.4 |