Table 4.3.4 Open in new tab A comparison... | Oxford Academic

Table 4.3.4

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A comparison of new and old management guidelines for patients with asymptomatic primary hyperparathyroidism who do not undergo parathyroid surgery

Measurement	Older guidelines	Newer guidelines
Serum calcium	Semiannually	Annually
24-h urinary calcium	Annually	Not recommended
Creatinine clearance	Annually	Not recommended
Serum creatinine	Annually	Annually
Bone density	Annually	Annually or biannually
Abdominal radiograph	Annually	Not recommended

Measurement	Older guidelines	Newer guidelines
Serum calcium	Semiannually	Annually
24-h urinary calcium	Annually	Not recommended
Creatinine clearance	Annually	Not recommended
Serum creatinine	Annually	Annually
Bone density	Annually	Annually or biannually
Abdominal radiograph	Annually	Not recommended

(From reference #183).