TABLE 4.
Univariable and multivariable backward Cox regression analysis of factors at baseline associated with risk of death (all‐cause mortality) in CKD cats
| Variables | Univariable analysis | Multivariable analysis | ||||
|---|---|---|---|---|---|---|
| HR (95% CI) | n | P‐value | HR (95% CI) | n | P‐value | |
| ALT (U/L) | 1.00 (1.00‐1.00) | 51 | .04 | |||
| Chloride (mEq/L) | 0.93 (0.88‐1.00) | 51 | .04 | |||
| Phosphate‐restricted diet | 51 | 46 | ||||
| Eating 0% | NA | NA | NA | NA | ||
| Eating 10% to 50% | 0.51 (0.24‐1.12) | .09 | NA | NA | ||
| Eating ≥50% | 0.34 (0.17‐0.69) | <.01 | 0.36 (0.17–0.75) | .01 | ||
| PCV (%) | 0.90 (0.85‐0.96) | 46 | <.01 | 0.91 (0.84–0.98) | 46 | .01 |
| Phosphate (mg/dL) | 1.35 (1.15‐1.58) | 51 | <.01 | 1.23 (1.03–1.48) | 46 | .03 |
| Total protein (g/dL) | 1.55 (0.98‐2.46) | 51 | .06 | |||
| Urea (mg/dL) | 1.02 (1.00‐1.04) | 51 | .07 | |||
| CaPP (mg2/dL2) | 1.03 (1.01‐1.05) | 51 | <.01 | |||
Abbreviations: ALT, alanine aminotransferase; CaPP, calcium phosphate product; CI, confidence interval; HR, hazard ratio.