Vitamin D Status in Patients Operated for Primary Hyperparathyroidism: Comparison of Patients from Southern and Northern Europe

Table 2

Biochemical variables one year after surgery for primary hyperparathyroidism.

Variable	Spanish cohort 𝑛=126	Swedish cohort 𝑛=128	P
p-Ca (mmol/L)	2.32 (2.24–2.42)	2.37 (2.30–2.48)	0.002
PTH (pmol/L)	4.7 (3.8–6.9)	4.7 (3.7–6)	0.51
25-OH-D (nmol/L)	45 (24–65)	62 (49–84)	<0.001
1,25-OH-D (pmol/L)	84 (0–120)	31 (38–50)	<0.001
ALP	1.2 (0.9–2.5)	1.3 (1.0–2.1)	0.35