The remaining clinical variables, diseases, and treatments showing no significant associations with prostate cancer were hepatitis C, periodontitis, asthma, Crohn’s disease, rheumatoid arthritis, anti-neutrophil cytoplasm antibody associated vasculitides (AASVs), hypertension, obstructive sleep apnea, subclinical hypothyroidism, bariatric surgery, multiple sclerosis, cholelithiasis, metformin, statins, angiotensin converting enzyme inhibitors (ACEI), calcium-channel blockers (CCB), thiazolidinediones, sulfonylureas, insulin, cardiac glycoside, and nonsteroidal anti-inflammatory drug (NSAID). This evidence concerns the gene ACE and prostate cancer.