Similarly, PCT levels greater than 2 ng/mL were linked to a 68% higher risk in the sepsis group (HR: 1.68, 95% CI: 1.23-2.29, p = 0.002) and a 75% higher risk in the septic shock group (HR: 1.75, 95% CI: 1.30-2.35, p = 0.001). The gene discussed is CALCA; the disease is septic shock.