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. 2021 Jun 14;14:675–683. doi: 10.2147/JAA.S298559

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© 2021 Prazma et al.

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Rate ratios for clinically significant exacerbations by HDM sensitivity. HDM-sensitive (classes 1–6: IgE ≥0.35 kU/L to D. farinae and/or D. pteronyssinus) or HDM non-sensitive (class 0: IgE <0.35 kU/L to D. farinae and/or D. pteronyssinus). Within these categories, patients were grouped according to sensitivity to other allergens (A. alternata, cockroach, cat dander or dog dander; classes 1–6: ≥0.35 kU/L) to ≥1, ≥2 or ≥3 additional allergens.

Abbreviations: CI, confidence interval; HDM, house dust mite; IgE, immunoglobulin E; NE, rate ratio could not be estimated due to insufficient patient numbers.