Total 49 clinical staging T1-T3 prostate cancer patients were recruited by a purposive sampling method from urology outpatient clinics in a medical center.

• 采前瞻性横断式研究设计，以立意取样方式，于北部某医学中心泌尿科门诊收取癌症分期在T1-T3期的49位前列腺癌病患为研究对象。