Differences in Clinicopathological Characteristics of Papillary Thyroid Carcinoma between Symptomatic and Asymptomatic Patients with Primary Hyperparathyroidism

Table 2

Comparison of serum laboratory markers between PHPT patients with PTC or benign thyroid lesion.

	PHPT with PTC, N = 26	PHPT with benign thyroid lesion, N = 161	value
Calcium (mmol/L)	2.74 (2.68–4.97)	2.93 (2.62–4.78)	0.02
Phosphate (mmol/L)	0.81 ± 0.20	0.75 ± 0.21	0.16
Magnesium (mmol/L)	0.89 (0.56–1.06)	0.89 (0.4–1.11)	0.56
Potassium (mmol/L)	4.19 ± 0.40	4.16 ± 0.44	0.74
Sodium (mmol/L)	143 (131–145)	141 (132–151)	0.11
Chlorine (mmol/L)	108.50 (102–114)	107 (96–117)	0.45
ALP (U/L)	108.50 (56–734)	133.50 (44–2540)	0.21
PTH (pg/mL)	160.55 (30.63–3576)	305.80 (65.88–4278)	0.02
25 (OH)D (ng/mL)	12.89 ± 7.33	10.90 ± 6.02	0.32

PHPT, primary hyperparathyroidism; PTC, papillary thyroid carcinoma; ALP, alkaline phosphatase; PTH, parathyroid hormone; 25 (OH)D, 25-hydroxyvitamin D.