The benefit of late readings in patch testing depends both on allergen and patient characteristics
Allergy2021Vol. 77(5), pp. 1477–1485
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Susann Forkel, Steffen Schubert, Heinrich Dickel, M. Gina, Claudia Schröder‐Kraft, Dieter Vieluf, Richard Brans, Burkhard Kreft, Gerda Wurpts, Johannes Geier, Timo Buhl
Abstract
Within the most frequently tested allergens, without late readings, on average 11.7% of sensitizations would have been missed. Novel late reacting allergens were identified. This study comprehensively dissects patient-, allergen- and test-dependent parameters in support for D7 readings. We propose to always consider late readings individually based on effort-benefit considerations.
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