Existing trends and applications of artificial intelligence in urothelial cancer
A scoping review
DOI:
https://doi.org/10.5489/cuaj.8322Keywords:
Urothelial cancer, Artificial intelligenceAbstract
INTRODUCTION: The use of artificial intelligence (AI) in urology is gaining significant traction. While previous reviews of AI applications in urology exist, there have been few attempts to synthesize existing literature on urothelial cancer (UC).
METHODS: Comprehensive searches based on the concepts of “AI” and “urothelial cancer” were conducted in MEDLINE, EMBASE, Web of Science, and Scopus. Study selection and data abstraction were conducted by two independent reviewers. Two independent raters assessed study quality in a random sample of 25 studies with the prediction model risk of bias assessment tool (PROBAST) and the standardized reporting of machine learning applications in urology (STREAM-URO) framework.
RESULTS: From a database search of 4581 studies, 227 were included. By area of research, 33% focused on image analysis, 26% on genomics, 16% on radiomics, and 15% on clinicopathology. Thematic content analysis identified qualitative trends in AI models employed and variables for feature extraction. Only 19% of studies compared performance of AI models to non-AI methods. All selected studies demonstrated high risk of bias for analysis and overall concern with Cohen’s kappa (k)=0.68. Selected studies met 66% of STREAM-URO items, with k=0.76.
CONCLUSIONS: The use of AI in UC is a topic of increasing importance; however, there is a need for improved standardized reporting, as evidenced by the high risk of bias and low methodologic quality identified in the included studies.
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