From: Intraoperative parathyroid hormone assay during focused parathyroidectomy: the importance of 20 minutes measurement
Decrease of PTH
Patients
%
>50% decrease of PTH within 10 min
156/188
83%
>50% decrease of PTH after 20 min
12/188
6.4%
No >50% decrease of PTH
20/188
10.6%