Figure 2: The % of subjects in function of the symptoms before and after two uses of the trapping device. The symptom assessment was based on the nasal congestion, rhinorrhea, sneezing, nasal itching and ocular itching. From D0 to D14, the subjects assessed their symptoms on a 4-point scale: 0=none; 1=mild; 2=moderate; 3=severe. On this figure, we represented the rated score on D0 (baseline) and on D14 (one week after second use) (for more details see the text).
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