Statistical Analysis
infection, postbiopsy
INFECTION
Sample size calculation was based on a 3.2% estimated infection rate within 7 days postbiopsy using empirical prophylaxis (CG) and 1.0% using culture-based prophylaxis (IG) [Characteristics of individuals in the 2 different groups were assessed for clinically relevant differences in prognostic factors. Distribution of continuous data was described by median and interquartile ranges (IQR) and categorical data by number and percentage. A modified intention-to-treat analysis was performed for the primary outcome using the χ