TABLE 2.
Univariable and multivariable backward ordinal logistic regression to identify risk factors at baseline associated with nephrocalcinosis in CKD cats
| Variables | Univariable analysis | Multivariable analysis | ||||
|---|---|---|---|---|---|---|
| OR (95% CI) | n | P‐value | OR (95% CI) | n | P‐value | |
| Age (years) | 1.11 (0.97‐1.27) | 51 | .09 | |||
| Chloride (mEq/L) | 1.11 (0.99‐1.25) | 51 | .09 | |||
| Phosphate‐restricted diet | 51 | 51 | ||||
| Eating 0% | NA | NA | NA | NA | ||
| Eating 10% to 50% | 5.11 (1.19‐24.51) | .03 | 8.35 (1.75–47.64) | .01 | ||
| Eating ≥50% | 5.54 (1.55‐21.44) | .01 | 5.47 (1.50‐21.78) | .01 | ||
| Phosphate (mg/dL) | 0.77 (0.58‐1.01) | 51 | .06 | |||
| Sodium (mEq/L) | 1.23 (1.04‐1.48) | 51 | .02 | |||
| Total calcium (mg/dL) | 2.51 (1.11‐6.23) | 51 | .04 | 3.07 (1.26–8.40) | 51 | .02 |
Abbreviations: CI, confidence interval; OR, odds ratio.