Table 1.
Clinicopathologic variables for cats included in the cross‐sectional study grouped according to renal status
| Variable (Reference Interval) | CKD (n = 309) | Nonazotemic (n = 168) |
|---|---|---|
| Median [25th, 75th Percentile] | Median [25th, 75th Percentile] | |
| Age (years) | 14.4 [11.4, 16.6] | 12.3 [11.0, 14.6] |
| Weight (kg) | 3.90 [3.20, 4.54] | 4.25 [3.43, 5.04] |
| % Male | 55.5 | 50.6 |
| Albumin (2.5–4.5 g/dL) | 3.2 [3.0, 3.3] | 3.2 [3.0, 3.4] |
| Chloride (100–124 mEq/L) | 119 [116, 122] | 120 [118, 122] |
| Creatinine (0.23–2.00 mg/dL) | 2.48 [2.17, 2.91] | 1.53 [1.38, 1.73] |
| HCO3 − (17–24 mEq/L) | 20 [18, 22] | 20 [19, 22] |
| iCa (4.76–5.48 mg/dL) | 5.16 [5.00, 5.36] | 5.12 [4.96, 5.27] |
| PCV (30–45%) | 34 [30, 38] | 37 [33, 40] |
| Venous pH (7.21–7.44) | 7.36 [7.31, 7.39] | 7.36 [7.32, 7.39] |
| Phosphate (2.79–6.81 mg/dL) | 3.93 [3.41, 5.05] | 3.60 [3.14, 4.11] |
| Potassium (3.5–5.5 mEq/L) | 3.7 [3.5, 4.0] | 3.7 [3.4, 3.9] |
| Sodium (145–157 mEq/L) | 151 [150, 153] | 151 [150, 152] |
| tCa (8.2–11.8 mg/dL) | 10.2 [9.7, 10.5] | 9.7 [9.4, 10.2] |
| Total protein (6.0–8.0 g/dL) | 7.6 [7.3, 8.0] | 7.7 [7.3, 8.1] |
| USG (≥1.035) | 1.018 [1.015, 1.021] | 1.043 [1.030, 1.050] |
CKD, chronic kidney disease; n, number of cats; HCO3 −, venous bicarbonate; iCa, ionized calcium; tCa, total calcium; USG, urine specific gravity.