Renal clearance ratio

The renal clearance ratio is a measure of the speed at which a constituent of urine passes through the kidneys. It is defined by following equation:

<math> clearance\ ratio\ of\ X = \frac{C_x}{C_{in}}</math>

• X is the analyte substance
• C_x is the renal plasma clearance of X
• C_in is the renal plasma clearance of inulin.

Creatinine is sometimes used instead of inulin as the reference substance.

See also[edit | edit source]

• Kt/V

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