Neither the presence of infection during SE, nor specific types of seizure at SE onset, or acute SE etiologies had a significant effect on the association between elevated serum PCT levels and death (interaction terms for infection, p = 0.788; interaction terms for types of seizure at SE onset, p = 0.958; interaction terms for acute SE etiologies, p = 0.908). The gene discussed is CALCA; the disease is infection.