Table 1.

Overview of the clinical characteristics of patients included in the study.

Patient	Sex	Preoperative calcium	Preoperative PTH	Age (years)	Cinacalcet use preoperatively	Preoperative disease status	Previous PHPT operations	Preoperative scans	DS last follow-upa
I	M	2.7	14.5	47	No	Persist.	2	MIBI, US	Cured
II	F	2.7	24.8	52	Yes	Persist.	2	MIBI, US, MRI, SVS	Persist.
III	F	3.0	14.3	78	No	Persist.	1	MIBI, US, SVS	Persist.
IV	F	2.5	H	33	Yes	Persist.	1	MIBI, US	Persist.
V	F	2.7	21.2	81	No	Persist.	1	MIBI, US	Cured
VI	F	2.9	27.9	54	No	Persist.	1	MIBI, US, MRI	Cured
VII	F	2.8	15.6	56	Yes	Persist.	2	MIBI, US, MRI, SVS	Cured
VIII	M	3.0	13.6	26	No	Recurr.	2	MIBI, US, SVS	Cured
IX	F			56	No	Persist.	1	MIBI, US, SVS	Cured
X	F	3.1	21.8	53	No	Persist.	1	MIBI, US	Persist.
XI	F			59	Yes	Persist.	4	MIBI, US	Cured
XII	F	2.8	18.2	49	No	Persist.	1	MIBI, US, SVS	Persist.

^a From date of choline operation till last follow-up; adjusted calcium normal values (2.2–2.6 mmol/l), PTH normal values (range 1.8–6.8 pmol/l).

MIBI, sestamibi single photon emission computed tomography/computed tomography; MRI, magnetic resonance imaging; Persist., persistent PHPT; PHPT, primary hyperparathyroidism; PTH, parathyroid hormone; PHPT, primary hyperparathyroidism; Recurr., recurrent PHPT; SVS, selective venous sampling; US, ultrasound.