From: Intraoperative parathyroid hormone assay during focused parathyroidectomy: the importance of 20 minutes measurement
Group A
Group B
p
Patients
156
32
Mean age
59.4
59.9
0.84
Positive and concordant localization studies
106
18
0.2857
Negative or discordant localization studies
50
14
Mean baseline PTH (pg/ml)
334.81
152.67
0.004