Table 4 ROC curves in patients with hypocalcemia.

From: Efficacy and safety of radiofrequency ablation versus parathyroidectomy for secondary hyperparathyroidism in dialysis patients: a single-center retrospective study

Variables

Cut-off

AUC

Sensitivity

Specificity

P value

Baseline iPTH (pg/mL)

1210

0.638

0.833

0.36

0.02

Reduction of iPTH (pg/mL)

894.9

0.667

0.979

0.304

0.006

Serum calcium (mmol/L)

2.61

0.654

0.420

0.896

0.009

BALP (U/L)*

115

0.762

0.800

0.636

< 0.001

Age (years)

47.5

0.627

0.700

0.542

0.03

  1. *AUC > 0.7.
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