Table 3.
Comparison of venous blood gas results between constipated and control cats
| Variable | Constipated cats (median; range) | Percentage of constipated cats outside of the RI (%) | Control cats (median; range) | Percentage of control cats outside of the RI (%) | RI | P value |
|---|---|---|---|---|---|---|
| PCV (%) | 38; 20–56 | Above: 3 | 40; 16–58 | Above: 13 | 31–48 | 0.2501 |
| Below:14 | Below: 18 | |||||
| TS (g/dl) | 7.75; 5.8–10 | Above: 14 | 7.4; 4.8–10.8 | Above: 11 | 6.6–8.4 | 0.0487 |
| Below: 8 | Below: 20 | |||||
| Ionized calcium (mmol/l) | 1.15; 0.96–1.47 | Above: 6 | 1.12; 0.59–1.81 | Above: 2 | 1.11–1.38 | 0.0133 |
| Below: 30 | Below: 41 | |||||
| Potassium (mmol/l) | 3.945; 2.92–5.17 | Above: 6 | 4.16; 2.98–8.64 | Above: 6 | 3.5–4.8 | 0.0406 |
| Below: 10 | Below: 7 | |||||
| Ionized magnesium (mmol/l) | 0.47; 0.34–0.73 | Above: <1 | 0.49; 0.35–1.01 | Above: 12 | 0.42–0.65 | 0.0646 |
| Below: 16 | Below: 12 | |||||
| BUN (mg/dl) | 25; 12–253 | Above: 31 | 29; 11–257 | Above: 45 | 15–32 | 0.0744 |
| Below: 8 | Below: 11 | |||||
| Creatinine (mg/dl) | 1.3; 0.6–12.3 | Above: 17 | 1.55; 0.8–9.9 | Above: 21 | 0.8–2.1 | 0.3559 |
| Below: 3 | Below: 0 |
RI = reference interval; PCV = packed cell volume; TS = total solids; BUN = blood urea nitrogen