Testing for allergic disease: Parameters considered and test value
2008

Testing for Allergic Disease: What Matters Most?

Sample size: 50 publication Evidence: moderate

Author Information

Author(s): Szeinbach Sheryl L, Harpe Spencer E, Williams P Brock, Elhefni Hanaa

Primary Institution: The Ohio State University

Hypothesis

Family physicians' decisions to recommend specific IgE blood testing are influenced by clinical parameters such as symptom severity, length of symptoms, and family history.

Conclusion

Family physicians consider symptom severity, length of symptoms, and family history as the most important factors when deciding to test for allergic rhinitis.

Supporting Evidence

  • Symptom severity had the greatest impact on physician decisions to test patients for allergic rhinitis.
  • Family physicians recognized the value of specific IgE blood testing in their practice.
  • A moderately positive association was found between testing issues and testing value.

Takeaway

Doctors look at how bad your allergy symptoms are and how long you've had them to decide if you should get a blood test for allergies.

Methodology

The study used a repeated measures design with conjoint analysis to evaluate family physicians' preferences regarding specific IgE blood testing.

Potential Biases

Physicians may consider unmeasured factors when deciding on testing, which could introduce bias.

Limitations

The study had a low response rate and was limited to one geographical region, which may not represent all family physicians' opinions.

Participant Demographics

Participants were primarily male (71.4%), aged between 29 and 79 years, with an average of 20 years of clinical experience.

Statistical Information

P-Value

p ≤ 0.001

Confidence Interval

[7.1, 20.7]

Statistical Significance

p ≤ 0.001

Digital Object Identifier (DOI)

10.1186/1471-2296-9-47

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