IL17A and infection: Similarly, male patients with severe infection (47.47 ± 2.6) exhibited a higher level of circulating IL-17 compared to non-severe male patients (40.18 ± 2.18) (P = 0.04), while female patients with severe infection (49.12 ± 1.6) demonstrated a higher level of IL-17 compared to non-severe female patients (33.08 ± 2.85) (P = 0.001) (Fig. 2.