IGHE and nasal cavity polyp: No significant differences were found in this subset compared to patients without nasal polyps in terms of mean levels of basal blood eosinophils (591.18 ± 322.44 versus 501 ± 239, p = 0.2215), serum total IgE (295.44 ± 344.05 versus 796.3 ± 1441.36, p = 0.0719), or sIgE to D. pteronyssinus, D. farinae or B. tropicalis.