KLK3 and benign prostatic hyperplasia: Other characteristics associated with an increased frequency of potentially non-compliant testing in adjusted analysis were having a diagnosis of BPH (PR: 1.19; 95% CI: 1.02–1.39) or having a pre-PSA urological test (PR: 1.14; 95% CI: 1.01–1.30) compared to the absence of them.