GPT and Hyponatremia: Furthermore, patients with PD peritonitis exhibited physiological derangements including hypernatremia or hyponatremia (68.6%; serum sodium >148 or <135 mEq/L), hyperkalemia or hypokalemia (61.4%; serum potassium >5 or <3.5 mEq/L), abnormal random serum glucose (14.9%; >250 g/L or <70 g/L), and abnormal serum alanine aminotransferase (14.4%; >40 U/L).