Clinical statistics of the operations during a 20-year period at the Department of Urology,Nissei Hospital: 1982-2001

A clinical statistics survey of the operations was performed at the Department of Urology, Nissei Hospital during a 20-year period from 1982 to 2001. The total number of operations was 3,164, and the number of extracorporeal shock wave lithotripsy procedures was 143. Operations for urogenital malignancies urolithiasis and prostatic hyperplasia numbered 893 (28.2%), 328 (10.4%), and 767 (24.2%), respectively. The total number of operations has been decreasing owing to the development of new diagnostic and therapeutic modalities.