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. Author manuscript; available in PMC: 2020 Dec 1.
Published in final edited form as: J Surg Res. 2019 Jul 4;244:77–83. doi: 10.1016/j.jss.2019.06.020

Table 5 –

Comparison of performance of published IOPTH criteria for secondary and tertiary hyperparathyroidism in prediction for eucalcemia ≥6 mo postoperatively.

IOPTH criteria Sensitivity (95% CI) Specificity (95% CI) PPV (95% CI) NPV (95% CI) Accuracy (95% CI)
>50% decrease 89% (0.752-0.971) 0% (0-0.975) 97% (0.968-0.974) 0% 87% (0.726-0.957)
>50% decrease and into normal range 66% (0.520-0.830) 0% (0-0.975) 96% (0.952-0.969) 0% 64% (0.472-0.788)
<200 pg/mL 92% (0.786-0.983) 0% (0-0.975) 97% (0.970-0.975) 0% 90% (0.758-0.971)
<60 pg/mL 68% (0.514-0.825) 0% (0-0.975) 96% (0.954-0.970) 0% 67% (0.498-0.809)