Do Symptoms and Serum Calcium Levels Affect the Results of Surgical Treatment of Primary Hyperparathyroidism?

Figure 1

Study flow chart. Abbreviations: PHPT, primary hyperparathyroidism; HCPHPT, hypercalcemic primary hyperparathyroidism; NCPHPT, normocalcemic primary hyperparathyroidism; SPHPT, symptomatic primary hyperparathyroidism; ASPHPT, asymptomatic primary hyperparathyroidism; Group A: Patients who have been receiving treatment in 2008-2012; Group B: Patients who have been receiving treatment in 2013-2017.