Table 2.
Final multivariate adaptive regression splines model for prediction of ionized calcium from routine biochemical and cat variables determined from the cats of the training set
| Hinge function of the predictors | Coefficient |
|---|---|
| (Intercept) | 1.32146983 |
| h(6.8‐creatinine) | −0.01343127 |
| h(creatinine‐6.8) | −0.01683551 |
| h(82‐BUN) | 0.00126050 |
| h(Albumin‐2.7) | −0.06398259 |
| h(11‐total calcium) | −0.06373329 |
| h(total calcium‐11) | 0.09763819 |
| h(potassium‐5.6) | 0.03565030 |
| h(115‐Chloride) | −0.00476348 |
| h(3‐GGT) | 0.00999586 |
| h(76‐Cholesterol) | −0.00990447 |
| h(Age‐16) | 0.00946669 |
| h(4.5‐Body Condition Score) | 0.01128579 |
Abbreviations: BUN, blood urea nitrogen; GGT, gamma glutamyltransferase; h(), hinge function.