Table 1.
Demographics and summaries for the study data set at the time of evaluation (T0).
| Dataset | Training | Training | Test | Test |
|---|---|---|---|---|
| Diagnosis group | CKD | No CKD | CKD | No CKD |
| Number of dogs | 15,299 | 22,944 | 7515 | 11,644 |
| Mean visits per dog | 15.18 | 11.99 | 15.22 | 11.91 |
| Male to female ratio | 1:1.1 | 1:0.93 | 1:1.1 | 1:0.94 |
| Mean (SD) age (years) at T0 | 11.56 (3.37) | 7.19 (2.93) | 11.59 (3.37) | 7.12 (2.90) |
| Mean (SD) weight (kg) at T0 | 13.04 (11.20) | 15.10 (12.42) | 13.34 (11.32) | 14.81 (12.11) |
| Mean (SD) BUN (mg/dL) at T0 | 56.23 (32.72) | 17.38 (5.59) | 55.86 (32.80) | 17.50 (5.78) |
| Mean (SD) creatinine (mg/dL) at T0 | 2.67 (1.86) | 1.09 (0.29) | 2.67 (1.88) | 1.09 (0.27) |
| Mean (SD) urine protein (mg/dL) at T0 | 91.01 (180.81) | 49.52 (136.21) | 94.29 (190.89) | 48.61 (146.51) |
| Mean (SD) USG at T0 | 1.020 (0.011) | 1.039 (0.012) | 1.020 (0.011) | 1.039 (0.012) |
| Percent missing creatinine | 11.32% | 7.26% | 10.91% | 7.72% |
| Percent missing USG | 57.52% | 60.83% | 57.58% | 60.89% |
Mean and Standard Deviation (SD) are shown for continuous measures. USG, urine-specific gravity; BUN, blood urea nitrogen.