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Este estudio comparó cuatro modelos de lenguaje grande (LLM) para el filtrado de citas en revisiones sistemáticas. Gemini 1.5 Pro y Claude 3.5 Sonnet mostraron mayor sensibilidad, mientras que GPT-4o y Llama 3.3 70B ofrecieron mejor especificidad, optimizando los flujos de trabajo de revisión.

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Área de la Ciencia:

  • Inteligencia Artificial
  • Informática Médica
  • Investigación en Servicios de Salud

Sus antecedentes:

  • Los modelos de lenguaje grande (LLM) prometen automatizar el filtrado de citas en revisiones sistemáticas.
  • La eficiencia comparativa de diferentes LLM para esta tarea no está bien establecida.
  • Las revisiones sistemáticas son cruciales para la medicina basada en evidencia, pero consumen mucho tiempo.

Objetivo del estudio:

  • Comparar la precisión, eficiencia, costo y consistencia de cuatro LLM (GPT-4o, Gemini 1.5 Pro, Claude 3.5 Sonnet, Llama 3.3 70B) en el filtrado de citas.
  • Evaluar el impacto de un enfoque de conjunto que utiliza múltiples LLM en el rendimiento del filtrado.
  • Evaluar el potencial de los LLM para optimizar los flujos de trabajo de revisión sistemática.

Principales métodos:

  • Se utilizaron cuatro LLM para filtrar citas de preguntas clínicas de las Guías de Práctica Clínica Japonesas para Sepsis y Shock Séptico 2024.
  • Se calcularon la sensibilidad, especificidad, tiempo de filtrado, costo y consistencia para cada LLM.
  • Un análisis post hoc examinó el efecto de combinar las salidas de los LLM.

Principales resultados:

  • GPT-4o y Llama 3.3 70B demostraron alta especificidad pero baja sensibilidad.
  • Gemini 1.5 Pro y Claude 3.5 Sonnet lograron mayor sensibilidad con menor especificidad.
  • GPT-4o fue el más rápido, Llama 3.3 70B fue el más rentable y la consistencia fue similar entre los modelos.
  • Un enfoque de conjunto mejoró la sensibilidad pero aumentó los falsos positivos.

Conclusiones:

  • Los LLM individuales ofrecen fortalezas distintas para el filtrado de citas, ahorrando tiempo y reduciendo la carga de trabajo.
  • Si bien los LLM optimizan el filtrado, el manejo de falsos positivos sigue siendo un desafío.
  • La combinación de LLM puede mejorar la sensibilidad, destacando su potencial para optimizar los procesos de revisión sistemática.