| Laboratory Alteration | Authors and Relative Frequencies (%) | |||
| Lennon et al. 2007 | Bovens et al. 2014 | Boretti et al. 2015 | Gold et al. 2016 | |
| Basal Cortisol | ≤2 µg/dL | ≤2 µg/dL | ≤2 µg/dL | ≤2 µg/dL |
| Sensitivity % | 100 | 100 | 100 | 94 |
| Specificity % | 78.2 | 63.3 | 20 | 67 |
| Basal Cortisol | ≤1 µg/dL | ≤1 µg/dL |
| ≤0.8 µg/dL |
| Sensitivity % | 100 | 85.7 |
| 96.9 |
| Specificity % | 98 | 91.8 |
| 95.7 |
| Total dogs with non-adrenal diseases (n˚) | 110
| 450 | 79 | 351 |
| Total dogs with hypoadrenocorticism (n˚) | 13 | 14 | 23 | 163 |