CYP19A1 and benign prostatic hyperplasia: As shown in Table 5, regarding the SNPs of CYP19A1 gene, the genotypes CC, CA, and AA of rs4646 were present in the BPH and Non‐BPH groups, accounting for 50.15% (167/333) and 51.77% (73/141); 42.34% (141/333) and 41.13% (58/141); and 7.51% (25/333) and 7.09% (10/141), respectively.