Finally, we observed a positive association between an SD increase in 17-OHP and luminal A-like BC (OR 1.01, 95% CI 1.00–1.03) and an inverse association with BRCA1-mutated TNBC (OR 0.97, 95% CI 0.95–0.98) using the IVW method. The gene discussed is BRCA1; the disease is breast cancer.