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Journal of Clinical Immunology

, Volume 35, Issue 3, pp 273–279 | Cite as

The Duesseldorf Warning Signs for Primary Immunodeficiency: Is it Time to Change the Rules?

  • Petra LankischEmail author
  • Julia Schiffner
  • Sujal Ghosh
  • Florian Babor
  • Arndt Borkhardt
  • Hans-Jürgen Laws
Original Research

Abstract

Objective

Different sets of warning signs can be used if primary immunodeficiency (PID) is suspected: those of the Jeffrey Modell Foundation (JMF), the German Patients’ Organisation for Primary Immunodeficiencies (DSAI) and the Association of the Scientific Medical Societies in Germany (AWMF). A few studies have tested the JMF criteria, with unconvincing results, but the diagnostic models of the DSAI and AWMF have not been tested at all. We set out to establish the utility of these three scoring systems and compare them with our own set of five warning signs (Duesseldorf criteria).

Design

Prospective study.

Patients

Two hundred ten patients admitted to our hospital between 2010 and 2012 with suspected PID.

Results

PID were found in 36 (17 %) of the patients admitted. Of the established sets of warning signs, the JMF and the DSAI had inadequate sensitivity, while the DSAI and the AWMF showed insufficient specificity. Our own criteria were analyzed with regard to maximal specificity and sensitivity (Youden Index) and sensitivity and yielded NPV of 0.89 and 0.91 respectively. Youden index revealed combination of five signs and symptoms: lymphopenia, otitis media >7, failure to thrive, failure to grow normally, pneumonia >1. For maximum negative predictive value the following set was found: lymphopenia, hypogammglobulinemia, failure to thrive, growth disorders, iv antibiotics and abscesses.

Conclusion

In contrast to the new, evaluated Duesseldorf criteria, all three established sets of warning signs proved inadequate for preselection of patients for admission to specialized PID centers. The Duesseldorf criteria should now being tested in further studies.

Keywords

Primary immunodeficiency warning signs children JMF DSAI AWMF 

Notes

Acknowledgments

The statistical support of the Center of Bioinformatics and Biostatistics (CBiBs) of the Heinrich-Heine-University is gratefully acknowledged.

Funding

CSL Behring supported this study with an unrestricted grant.

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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  • Petra Lankisch
    • 1
    Email author
  • Julia Schiffner
    • 2
  • Sujal Ghosh
    • 1
  • Florian Babor
    • 1
  • Arndt Borkhardt
    • 1
  • Hans-Jürgen Laws
    • 1
  1. 1.Department of Pediatric Oncology, Hematology and Clinical Immunology, Medical Faculty, Center of Child and Adolescent HealthHeinrich-Heine UniversityDusesseldorfGermany
  2. 2.Applied Statistics Group, Mathematical InstituteHeinrich-Heine UniversityDuesseldorfGermany

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