The rate of cancer in group Serum PSA 4 - 10 ng / mL was 9, 5%, when PSA 10 - 20 ng / mL, the rate was 21% (test χ2, p = 0.115).
Tỷ lệ ung thư khi PSA 4-10 ng / mL là 9.5%, khi PSA 10-20 ng / mL là 21% (test χ2, p = 0.115).