KLK3 and pure red-cell aplasia: In addition, a recent community-based PrCa awareness program, which was conducted among 4,110 men aged 40 years or older in Lagos, a major urban center near Ibadan, reported that 56%, 28% and 35% of 43 men diagnosed with PrCa through this program had a diagnostic PSA ≥20 ng/ml, Gleason score 8–10, and metastatic disease, respectively [41].