Indonesian prostate cancer risk calculator (IPCRC): an application for predicting prostate cancer risk (a multicenter study).

Aim: to develop a prediction risk model of prostate cancer based on Indonesia population.

Methods: we included all benign prostate hyperthrophy (BPH) and PCa patients who had prostate biopsy and prostatectomy between January 2009 and December 2013 from 5 urology centers in Indonesia. The relationship between the possibility of PCa with the following variables including: age; PSA level, prostate volume (by transabdominal ultrasound or transrectal ultrasound) and digital rectal examination (DRE) finding.