during a 2-year period all episodes of urinary tract infection in 276 patients from an office practice could be classified into 4 categories : 1 ) first or simple urinary tract infection , 2 ) recurrent urinary tract infection owing to unresolved bacteriuria during treatment , 3 ) recurrent urinary tract infection owing to bacterial persistence and 4 ) recurrent urinary tract infection owing to reinfection .
C0042029
urinary tract infection
C0004659
bacteriuria