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Cutoff and Performances of 25(OH) D and Serum Calcium in Predicting In-Hospital Mortality of Severe COVID-19 Patients.
| AUC | 95% CI | p | Cutoff | Se (%) | Sp (%) | YI | |
|---|---|---|---|---|---|---|---|
| 25 (OH)D (μg/l) | 0.73 | [0.63–0.82] | <0.0001 | 15.3 | 76 | 69 | 0.44 |
| Serum Calcium (mmol/l) | 0.77 | [0.68–0.85] | <0.0001 | 2.03 | 84 | 60 | 0.44 |
25 (OH) D: 25-hydroxy vitamin D, AUC: area under the curve, YI: Youden index, Se: sensitivity. Sp: specificity, 95% CI: 95% confidence interval.
