Table 2.

Definitions of IOPTH test results in predicting adverse clinical outcome

Test results predicting adverse outcome	Final IOPTH value	IOPTH percentage	Clinical outcome
True positive
Hypoparathyroidism	Below lower limits	N/A	Hypoparathyroidism
Hyperparathyroidism	Above upper limits	Below cutoff percentage	Persistent hyperparathyroidism
True negative
Hypoparathyroidism	Within or above upper limits	N/A	Eu- or hyperparathyroidism
Hyperparathyroidism	Within or below lower limits	Greater or equal to cutoff percentage	Eu- or hypoparathyroidism
False positive
Hypoparathyroidism	Below lower limits	N/A	Eu- or hyperparathyroidism
Hyperparathyroidism	Above upper limits	Below cutoff percentage	Eu- or hypoparathyroidism
False negative
Hypoparathyroidism	Within or above upper limits	N/A	Hypoparathyroidism
Hyperparathyroidism	Within or below lower limits	Greater or equal to cutoff percentage	Persistent hyperparathyroidism