Are decision trees a feasible knowledge representation to guide extraction of critical information from randomized controlled trial reports?
2008

Using Decision Trees to Extract Information from RCT Reports

Sample size: 455 publication Evidence: moderate

Author Information

Author(s): Chung Grace Y, Coiera Enrico

Primary Institution: Centre for Health Informatics, University of New South Wales

Hypothesis

Can decision trees effectively represent and extract critical information from randomized controlled trial reports?

Conclusion

Decision trees could be a suitable construct to guide machine summarization of RCTs and indicate report quality.

Supporting Evidence

  • 73.8% of the analyzed abstracts were primary studies with a single population assigned to two or more interventions.
  • 68% of primary RCT abstracts were structured.
  • 84% reported the total number of study subjects.

Takeaway

This study looks at how decision trees can help computers understand important information in medical research papers, making it easier for doctors to find what they need.

Methodology

The study analyzed 455 RCT abstracts for decision tree elements and assessed their quality and structure.

Limitations

The study may not represent all RCTs as many are not indexed in Medline, and the method for identifying structured abstracts may have errors.

Digital Object Identifier (DOI)

10.1186/1472-6947-8-48

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