Table 3 Results of principal components analysis
| Â | Component loadings | |||
|---|---|---|---|---|
| Â | 1 | 2 | 3 | 4 |
Post exam serum | -0.14 | 0.68 | 0.71 | 0.04 |
Post dexamethasone serum | -0.08 | 0.71 | -0.70 | 0.04 |
Saliva morning | 0.69 | 0.15 | 0.03 | -0.70 |
Saliva evening | 0.70 | 0.07 | 0.03 | 0.71 |
Eigenvalue | 1.89 | 1.18 | 0.81 | 0.13 |
Variance explained (%) | 47 | 29 | 20 | 3 |