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Table 4 Area under the Curve and related parameters

From: Serum osteocalcin level is associated with the mortality in Chinese patients with Fibrodysplasia ossificans progressiva aged ≤18 years at diagnosis

  AUC Cut-off point Sensitivity Specificity P-value 95%CI
OC 0.855 < 65.9 ng/mL 100% 75% 0.010* 0.739–0.971
P 0.728 < 1.47 mmol/L 80% 70% 0.100 0.547–0.908
ALP 0.837 <  122.9 IU/L 80% 90% 0.017* 0.605–1.068
PTH 0.535 < 55.7 pg/mL 80% 52.5% 0.800 0.320–0.750
  1. *P <0.05
  2. OC osteocalcin, P phosphorus, ALP alkaline phosphatase, PTH parathyroid hormone