HP and infection: The respective values for other biological parameters were as follows: anemia: 8.2% (infection) to 22.3% (aHUS), thrombocytopenia: 31.8% (STEC-HUS) to 67.9% (BMT), high LDH: 10.0% (methylmalonic aciduria and homocystinuria type C protein gene variant) to 40.7% (BMT), low haptoglobin: 0% (methylmalonic aciduria and homocystinuria type C protein gene variant) to 70.4% (BMT) (Table 3).