TABLE 1.

Characteristics of the study cohort

Patient characteristic	Total no. of patients (n = 455)
Age (mean; yrs)	65
Race
Caucasian (%)	86.9
African American (%)	9.4
Diabetes mellitus (%)	20.7
Immunosuppressive medication or disease (%)	8.1
Hospitalization within the previous 1 yr (%)	21.9
Antibiotic use within the previous 6 mo (%)	21.2
UTI within the previous 1 yr (%)	4.7
History of prior biopsy (%)	41.8
Periprocedure prophylaxis regimen
Ciprofloxacin	200
Ciprofloxacin plus cefpodoxime	182
Other regimen	73