Study design, materials and methods
Information on BPH treatment procedures and diagnoses was obtained from the Health Insurance Review and Assessment Service-Aged Patient Sample (HIRA-APS). We used over 60 years old men data 2012, 2013, 2014, 2015, 2016, respectively. We surveyed treatment trend for BPH according to the type of institution. Treatment trend included type of drug and type of surgery.
Interpretation of results
The major treatment of BPH was observed drug