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Sensitivity and specificity of hypocalcaemia for identification of vitamin D deficiency defined using the 50 nmol/L 25(OH)D threshold
| Serum Calcium | 25(OH)D <50 nmol/L | 25(OH)D ≥50 nmol/L | Sensitivity | Specificity |
|---|---|---|---|---|
| ≤9.5 mg/dl | 121 | 43 | 77.56 % | 27.12 % |
| >9.5 mg/dl | 35 | 16 |
