Investig Clin Urol.  2023 Mar;64(2):140-147. 10.4111/icu.20220317.

Trends of stratified prostate cancer risk in a single Korean province from 2003 to 2021: A multicenter study conducted using regional training hospital data

Affiliations
  • 1Department of Urology, Yeungnam University College of Medicine, Daegu, Korea
  • 2Department of Urology, Keimyung University School of Medicine, Daegu, Korea.
  • 3Department of Urology, Dongguk University College of Medicine, Gyeongju, Korea
  • 4Department of Urology, Daegu Catholic University School of Medicine, Daegu, Korea
  • 5Department of Urology, Daegu Fatima Hospital, Daegu, Korea
  • 6Department of Urology, School of Medicine, Kyungpook National University, Daegu, Korea
  • 7Department of Urology, Kangwon National University School of Medicine, Chuncheon, Korea.

Abstract

Purpose
To identify changes in prostate cancer (PCa) risk-stratification during the last two decades in Korea, where the social perception of PCa was limited due to a relatively low incidence but has recently been triggered by the rapidly increasing incidence of benign prostate hyperplasia.
Materials and Methods
Retrospective data of patients who had received a diagnosis of PCa in a single Korean province (DaeguGyeongsangbuk) at all seven training hospitals in the years 2003, 2007, 2011, 2015, 2019, and 2021 were subjected to analysis. Changes in PCa risk-stratification were investigated with respect to serum prostate-specific antigen (PSA), Gleason score (GS), and clinical stage.
Results
Of the 3,393 study subjects that received a diagnosis of PCa, 64.1% had high-risk disease, 23.0% intermediate, and 12.9% low-risk disease. The proportion diagnosed with high-risk disease was 54.8% in 2003, 30.6% in 2019, but then increased to 35.1% in 2021. The proportion of patients with high PSA (>20 ng/mL) steadily decreased from 59.4% in 2003 to 29.6% in 2021, whereas the proportion with a high GS (>8) increased from 32.8% in 2011 to 34.0% in 2021, and the proportion with advanced stage disease (over cT2c) increased from 26.5% in 2011 to 37.1% in 2021.
Conclusions
In this retrospective study, conducted in a single Korean province, high-risk PCa accounted for the largest proportion of newly registered Korean PCa patients during the last two decades and increased in the early 2020s. This outcome supports the adoption of nationwide PSA screening, regardless of current Western guidelines.

Keyword

Prostate-specific antigen; Prostatic neoplasms; Risk assessment
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