For example, decreased albumin levels such as in liver diseases, nephrotic syndrome, or malnutrition produce lower serum calcium values, but the amount of free calcium may still be normal.

例如，白蛋白水平降低（例如在肝脏疾病，肾病综合症或营养不良中）会产生较低的血清钙值，但游离钙的含量可能仍是正常的。