Table 9.
Slope estimates, standard error (SE), p-values, and variance inflation factor (VIF) for an eight-predictor variable model selected for predicting calcium oxalate relative supersaturation.
| Variable | Slope estimates | Standard errors (SE) | p-Value | Variance inflation factor (VIF) |
|---|---|---|---|---|
| Intercept | 1.31 | 0.80 | 0.101 | 0 |
| pH | −0.23 | 0.12 | 0.049 | 1.84 |
| Sodium | −5.59 | 1.09 | <0.001 | 4.59 |
| Chloride | 3.41 | 1.13 | 0.003 | 5.17 |
| Calcium | 2,970 | 59.2 | <0.001 | 1.18 |
| Phosphorus | −11.4 | 2.47 | <0.001 | 1.27 |
| Oxalate | 2,820 | 178 | <0.001 | 2.48 |
| Citrate | −243 | 15.5 | <0.001 | 1.57 |
| Sulfate | −10.6 | 1.64 | <0.001 | 1.45 |