Thyroid Function in 35 Patients with Gitelman Syndrome

Table 1

Biochemical features in 35 patients with Gitelman syndrome.

Biochemical feature	GS patients	Normal range
Serum electrolyte levels
K^+		3.5-5.5 mmol/L
Mg^2+		0.7-1.0 mmol/L
Ca^2+		2.1-2.7 mmol/L
Concomitant urinary electrolyte excretions
K^+	57.5 (42.1, 85.9)	40-80 mmol/day
Ca^2+	0.4 (0.2, 1.2)	2.5-7.5 mmol/day
Plasma renin activity	12.0 (12.0, 12.0)	0.1-0.8 ng/mL/h
Blood gas analysis (room air)
pH		7.35-7.45
BE		-3 to +3 mmol/L

GS: Gitelman syndrome; K+: serum or urinary potassium; Mg2+: serum magnesium; Ca2+: serum or urinary calcium; BE: base excess.