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Performances of the Random Forest Model for Predicting Postoperative Hypocalcemia According to Low and High Values of PHR
| Low threshold: PHR 7% | High threshold: PHR 20% | |
|---|---|---|
| Sensitivity (%) | 92 | 79 |
| Specificity (%) | 73 | 90 |
| LR+ | 3.4 | 7.6 |
| LR− | 0.11 | 0.23 |
LR+ indicates positive likelihood ratio; LR−, negative likelihood ratio; PHR, postoperative hypocalcemia risk, a pretest risk for postoperative hypocalcmia calculated by the model for a given patient.
