Table 1.
Serum creatinine levels in 106 healthy Birman cats
| Kittens (<6 months) | Adults | |
|---|---|---|
| Age (median, range) | 3 months (2–6) | 4 years (1–12) |
| Number | 22 | 84 |
| Median creatinine (μmol/l) | 100.5 | 148.0 |
| Range | 56–178 | 91–245 |
| Inter-quartile range | 86–114 | 124–176 |
| Reference range (μmol/l)∗ | 38–78 | 60–160 |
| Mean (μmol/l) (standard deviation) | 58 (10) | 118 (19) |
| Number above reference range | 18 (82%) | 29 (35%) |
| Number >2 standard deviations above reference range | 7 (32%) | 12 (14%) |
∗
Determined using 74 specific pathogen free (SPF) adult cats and 52 SPF kittens (8–18 weeks of age).