Table 2.
Comparison of variables at visit 1 (baseline) for cats assigned to each diet. The only significant P value (P < .05) is highlighted in bold
| Test diet (n = 26) | Control diet (n = 28) | P value | |||
|---|---|---|---|---|---|
| Mean ± SD or Median [25th, 75th percentiles] | n | Mean ± SD or Median [25th, 75th percentiles] | n | ||
| Age (years) | 12.2 [11.2, 13.5] | 26 | 12.1 [11.1, 13.9] | 28 | 0.92 |
| Creatinine (mg/dl) | 1.5 ± 0.2 | 26 | 1.6 ± 0.2 | 28 | 0.73 |
| Urea (mg/dl) | 28.3 ± 5.6 | 26 | 27.2 ± 4.5 | 28 | 0.41 |
| Ionized calcium (mg/dl) | 1.27 ± 0.08 | 20 | 1.3 ± 0.06 | 24 | 0.24 |
| Total calcium (mg/dl) | 9.76 ± 0.60 | 26 | 9.88 ± 0.60 | 28 | 0.48 |
| Phosphate (mg/dl) | 3.88 ± 1.21 | 26 | 3.50 ± 0.50 | 28 | 0.14 |
| PTH (pg/ml) | 7.7 [2.6, 10.1] | 25 | 6 [2.6, 11.4] | 28 | 0.36 |
| FGF‐23 (pg/ml) | 153.4 [105.1, 208.6] | 25 | 124.3 [99.2, 209.9] | 28 | 0.31 |
| SBP (mmHg) | 132 ± 25 | 26 | 133 ± 22 | 28 | 0.88 |
| Weight (Kg) | 4.96 ± 1.29 | 26 | 4.54 ± 0.93 | 28 | 0.17 |
| BCS (1 to 9) | 6 ± 1.4 | 26 | 6 ± 1.41 | 28 | 0.34 |
| UPC | 0.13 [0.11, 0.17] | 13 | 0.20 [0.15, 0.24] | 15 | 0.045 |
| USG | 1.048 ± 0.01 | 13 | 1.042 ± 0.014 | 15 | 0.23 |
| TT4 (nmol/l) | 22.8 ± 7.9 | 26 | 22.6 ± 8.9 | 28 | 0.91 |
| Sex | 18 MN, 8 FN | 12 MN, 16 FN | |||
| Breeds | 23 DSH, 3 DLH | 21 DSH, 5 DLH, 1 BSH, 1 Chinchilla X | |||
n, number of cats in group; SBP, systolic blood pressure; BCS, body condition score; UPC, urine protein‐to‐creatinine ratio; USG, urine specific gravity; TT4, plasma total thyroxine concentration; MN, male neutered; FN, female neutered; DSH, domestic shorthair; DLH, domestic longhair; BSH, British Shorthair.