A retrospective analysis of the diagnostic performance of 11C-choline PET/CT for detection of hyperfunctioning parathyroid glands after prior negative or discordant imaging in primary hyperparathyroidism

EJNMMI Research

Table 1 Patients’ baseline characteristics

Characteristics	Total (n = 36)
Gender, n (%)
Female	30 (83%)
Age, years
Median (range)	64 (36–76)
Body mass index, kg/m²
Median (range)	27.4 (18.5–40.2)
Preoperative total serum calcium (mmol/L)
Median (range)	2.87 (2.58–3.58)
Preoperative albumin-corrected calcium (mmol/L)
Median (range)	2.78 (2.42–3.62)
Preoperative PTH (pmol/L)
Median (range)	15.0 (7.4–125.0)
Previous parathyroidectomy, n (%)
Yes	9 (25%)

Reference range total serum calcium = 2.20–2.60 mmol/L; reference range albumin-corrected calcium = 2.10–2.55 mmol/L; reference range PTH =< 8.7 pmol/L