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Confirmatory biopsy outcomes by confirmatory biopsy type using matched cohorts. Upgrading is determined based on comparing results between initial biopsy grade group and confirmatory biopsy grade group. Multivariable logistic regression demonstrated MRI-guided confirmatory biopsy is associated with greater odds of upgrading compared to standard systematic TRUS biopsy (OR 4.76, 95% CI 2.90–7.82, p<0.001).
