Sensitivity and Specificity

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The clinical performance of ImmunoCAP Phadiatop was documented in clinical trials including 836 patients with suspected allergy (1). Clinical sensitivity and specificity were calculated as the agreement between test result and a specialist diagnosis based on the established diagnostic routines of the clinic.
 
The following clinical results were obtained from all clinics using ImmunoCAP Phadiatop and using the 0.35 kU/l specific IgE calibrator as cut off:
 
ImmunoCAP Phadiatop results
PositiveNegativeTotal
Final diagnosis by clinician
Atopy/Non atopy		Positive48338521
Negative34281315
Total517319836
  • Sensitivity: 93 %
  • Specificity: 89%

The table below shows the results from a review article including 21 different studies with ImmunoCAP Phadiatop.


Reference: Eriksson N.E. Allergy screening with ImmunoCAP Phadiatop and CAP Phadiatop in combination with a questionnaire in adults with asthma and rhinitis. Allergy 1990;45:285-292 (2).