Table 2.
Comparison of the groups at enrolment and end of data collection
| Group | Renal | Non-renal |
|---|---|---|
| Total number of cats | 47 | 35 |
| IRIS stage 1 (number of cats) at enrolment | 14 | 0 |
| IRIS stage 2 (number of cats) at enrolment | 28 | 0 |
| IRIS stage 3 (number of cats) at enrolment | 5 | 0 |
| IRIS stage 0 (number of cats) end of data collection | 0 | 10 |
| IRIS stage 1 (number of cats) end of data collection | 7 | 7 |
| IRIS stage 2 (number of cats) end of data collection | 27 | 13 |
| IRIS stage 3 (number of cats) end of data collection | 7 | 3 |
| IRIS stage 4 (number of cats) end of data collection | 6 | 2 |
| Median age at start of treatment [range] (years) | 15.4 [7.8–19.0] | 16.6 [8.0–22.1] |
| Median starting daily dose of meloxicam [range] (mg/kg) | 0.02 [0.01–0.05] | 0.02 [0.01–0.05] |
| Median steady state [final] daily meloxicam dose [range] (mg/kg) | 0.02 [0.01–0.06] | 0.02 [0.01–0.05] |
| Median duration of treatment (days) | 852 [95% CI: 641–1129] | 1866 [95% CI: 653–1970] |
| Median longevity (life-span) (years) | 18.6 [95% CI: 17.5–19.2] | 22 [95% CI: 18.5–23.8] |
| Median longevity after diagnosis of CKD (days) | 1608 [95% CI 1344–1919] | N/A |
| Death or euthanasia attributed to CKD (number of cats) | 3 | 2 |
| Death or euthanasia attributed to non-renal causes (number of cats) | 25 | 12 |
CI = confidence interval