Table 7. Multivariable analysis for variables associated with prednisolone dose in mg/m2.
| Variable | Number of dogs | Unstandardised regression coefficient (Standard Error) | P (likelihood ratio) | 95% Wald confidence interval |
|---|---|---|---|---|
| Intercept | 29.489 (1.9592) | <0.001 | 25.649–33.329 | |
| Age (years) | 1886 | -0.241 (0.0712) | <0.001 | -0.380 –-0.101 |
| Weight (kg) | 1886 | 0.271 (0.0226) | <0.001 | 0.227–0.316 |
| Body system | <0.001 | |||
| Integument | 1643 | Ref | ||
| Ocular | 24 | 2.466 (2.4648) | -2.365–7.297 | |
| Respiratory | 80 | 1.657 (1.4181) | -1.122–4.437 | |
| Gastrointestinal | 22 | 4.776 (2.5896) | -0.299–9.852 | |
| Neurological | 61 | 4.556 (1.6540) | 1.315–7.798 | |
| Haematopoietic | 33 | 11.231 (2.7617) | 5.818–16.644 | |
| Endocrine | 10 | -24.155 (4.2257) | -32.438 –-15.873 | |
| Musculoskeletal | 7 | 4.453 (4.6550) | -4.671–13.576 | |
| Cardiovascular | 6 | 3.178 (4.9032) | -6.432–12.788 | |
| Indicated dose | <0.001 | |||
| Immunosuppressive | 80 | Ref | ||
| Physiologic | 10 | * | ||
| Anti-inflammatory | 1796 | -11.390 (1.8598) | -15.035 –-7.744 |
Akaike’s information criterion: 14744.678
Ref: Reference category
*Set to zero as value redundant as all dogs in the endocrine group are shared with the physiologic group