Validation of a Novel Assessment Tool Identifying Proficiency in Transurethral Bladder Tumor Resection: The OSATURBS Assessment Tool

Competence in transurethral resection of bladder tumors (TURB) is critical in bladder cancer management and should be ensured before independent practice. To develop an assessment tool for TURB and explore validity evidence in a clinical context. From July 2019 to March 2021, a total of 33 volunteer doctors from three hospitals were included after exemption from the regional ethics committee (REG-008-2018). Participants performed two TURB procedures on patients with bladder tumors. A newly developed assessment tool (Objective Structured Assessment for Transurethral Resection of Bladder Tumors Skills, OSATURBS) was used for direct observation assessment (DOA), self-assessment (SA), and blinded video assessment (VA). Cronbach's alpha and Pearson's were calculated for across items internal consistency reliability, inter-rater reliability, and test-retest reliability. Correlation between OSATURBS scores and the operative experience was calculated with Pearson's and a pass/fail score was established. Differences in assessment scores were explored with paired -test and independent samples -test. The internal consistency reliability across items Cronbach's alpha was 0.94 ( = 260,