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. Author manuscript; available in PMC: 2014 Dec 4.
Published in final edited form as: Ann Surg. 2010 Jun;251(6):1127–1130. doi: 10.1097/SLA.0b013e3181d3d264

Figure 2.

Figure 2

Patients with a single abnormal gland rapidly fall below a threshold defined as 50% of the elevated 5 minute ioPTH. If the elevated 5 minute ioPTH value is defined as the new baseline, a 50% decline from this point may be used to discriminate between single and multiple gland disease. Patients with only a single abnormal gland fall rapidly below this threshold.