Clinical Characteristics and Gene Mutation Analysis of the Chinese Han Population with Gitelman Syndrome: 3 Case Reports and a Literature Review

Table 1

Serum electrolytes, 24-hour urine potassium, blood gas analysis, and renin aldosterone levels of the 3 cases.

Case	Case 1	Case 2	Case 3	Reference range
Potassium (mmol/L)	2.84	2.39	3.29	3.5∼5.3
Sodium (mmol/L)	140	138	145	137∼147
Chloride (mmol/L)	94	98	101	99∼110
Calcium (mmol/L)	2.47	2.46	2.45	2.00∼2.60
Magnesium (mmol/L)	0.77	0.56	0.79	0.66∼1.07
Potassium of 24-h urine (mmol/24 h)	56	66	34	—
Renin (μg/LH)	7.26	9.5	8.88	0.1∼6.56
Aldosterone (ng/L)	120	156	209	70∼300
Arterial blood gas analyses
pH	7.43	7.51	7.48	7.35∼7.45
Base excess (mmol/L)	5.2	5.6	7.8	−3∼3
Bicarbonate (mmol/L)	29.1	29.4	31.6	21.3∼24.8