IGHE and Alzheimer disease: There was no statistically significant difference between the HDM SPT diameter change groups after SCIT (decreased, same, or increased); age, disease duration, presence of asthma, severity of asthma, presence of AD, duration of SCIT, initial sensitization status, after SCIT time, initial median serum total IgE, median blood eosinophil and basophil count, and SPT diameter values for DF and DP, eosinophil count change and serum total IgE change.