Table 1.
Summary of two different prognostic scores developed for use in dogs with immune-mediated hemolytic anemia
| Score | Parameter | Definition | Score |
|---|---|---|---|
| CHAOS (Whelan et al)16 | Age | ≥7 years | 2 |
| Rectal temperature | ≥38.9°C | 1 | |
| Persistent agglutination after dilution in saline | Positive | 1 | |
| Serum albumin concentration | <30 g/L | 1 | |
| Serum bilirubin concentration | ≥85.5 µmol/L | 2 | |
| Total possible score | 7 | ||
| Ishihara et al17 | Sex | Male | 1 |
| Season | Warm | 1 | |
| Packed cell volume | <20% | 1 | |
| Platelet count | <200×103/µL | 1 | |
| Serum total protein concentration | <6 g/dL | 1 | |
| Total possible score | 5 |
Abbreviation: CHAOS, canine haemolytic anaemia objective score.