KLK3 and infection: Prostate-specific antigen levels in participants with both S. mansoni and S. haematobium light infection intensity group (n = 15; 0.7721 ± 1.173 ng/mL) was significantly higher compared to the heavily infected (n = 17; 1.141 ± 1.833 ng/mL) and schistosome uninfected infection status (p = 0.0341) as shown in Fig. 4.