Patients with acute rhabdomyolysis are at risk of developing acute renal failure. A discriminant function can be used to identify patients at presentation who are at high risk for renal failure.
Patient selection: Patients with serum creatinine on admission < 3.0 mg/dL
discriminant score =
= (0.7 * (potassium in mmol/L)) + (1.1 * (serum creatinine in mg/dL)) + (0.6 * (serum albumin in g/dL)) - 6.6
Interpretation:
• discriminant value >= 0.1
• discriminant value < 0.1:
discriminant value
% with Acute Renal Failure
Risk Group
>= 0.1
41%
high risk
< 0.1
0%
low risk
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