KLK3 and prostate cancer: The odds of a positive finding using the MIL-38 IFA in a patient with prostate cancer, adjusted for PSA, was greatest at the lowest serum PSA values (<2 ng/ml) with OR = 13.4 (95% CI: 4.0, 44.7) compared with 6.4 (95% CI: 2.8, 14.9) without adjustment for PSA (Table 4).