Table 2.

Serum calcium, phosphorus, PTH, and plasma vitamin D levels in patients with and without familial Mediterranean fever

	Familial Mediterranean fever group (n = 100)	Control group (n = 50)	P-value
Calcium (mg/dl) (mean [SD])	9.6 (0.5)	9.8 (0.4)	<0.01
Phosphorus (mg/dl) (median [IQR])	4.9 (4.5–5.2)	4.8 (4.4–5.1)	0.318
PTH (pg/mL) (median [IQR])	49.9 (28.7–64.8)	34.2 (24.2–53.2)	0.024
25-OH vitamin D (ng/mL) (mean [SD])	24.78 (8.35)	28.70 (11.70)	0.039

PTH parathyroid hormone, SD standard deviation, IQR interquartile range