IGHE and allergic bronchopulmonary aspergillosis: Of the 374 participants, 143 (38.2%) had a positive SPT against A. fumigatus, 16 (4.3%) had elevated A. fumigatus-specific IgG levels, 27 (7.2%) had elevated A. fumigatus-specific IgE levels, 12 (3.2%) had proven ABPA while 60 (16.0%) had proven SAFS.