Table 2.
Rate of change per day of creatinine and reciprocal of creatinine concentration, urine specific gravity (USG) and glomerular filtration rate (GFR) in azotaemic and non-azotaemic cats
| Rate of change | |||
|---|---|---|---|
| Mean | SD | ||
| Creatinine (µmol/l/day) | All cats | −0.0331 | 0.1135 |
| Azotaemic cats | −0.0265 | 0.1065 | |
| Non-azotaemic cats | −0.0344 | 0.1171 | |
| Reciprocal creatinine (l/mmol/day) | All cats | 0.0014 | 0.0062 |
| Azotaemic cats | 0.004 | 0.0023 | |
| Non-azotaemic cats | 0.0016 | 0.0068 | |
| USG (USG/day) | All cats | <–0.0001 | 0.0001 |
| Azotaemic cats | <–0.0001 | <0.0001 | |
| Non-azotaemic cats | <–0.0001 | 0.0001 | |
| GFR (ml/min/day) | All cats | 0.0034 | 0.0105 |
| Azotaemic cats | 0.0062 | 0.0060 | |
| Non-azotaemic cats | 0.0028 | 0.0113 | |