Open-source LLMs achieve moderate F1 on straightforward clinical trial criteria but underperform challenge-winning systems on criteria requiring fine-grained reasoning across three n2c2 datasets.
Efficiency and effectiveness eval- uation of an automated multi-country patient count cohort system,
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Clinical trial cohort selection using Large Language Models on n2c2 Challenges
Open-source LLMs achieve moderate F1 on straightforward clinical trial criteria but underperform challenge-winning systems on criteria requiring fine-grained reasoning across three n2c2 datasets.