Author, year | Study Location | Study design | Mean age, years | Gender | Population | Assessment of sensitisation | ||
---|---|---|---|---|---|---|---|---|
Male | Female | Control | COPD | |||||
Jin et al, 2014 [25] | Beijing, China | Cross-sectional | 77 | 174 | 99 | 150 | 273 | Plasma IgE analysis |
Everaerts et al, 2017 [26] | Leuven, Belgium | Cross-sectional | 67 | 215 | 85 | 50 | 300 | Plasma IgE analysis |
Agarwal et al, 2010 [27] | Chandigarh, India | Prospective case-control | 57 | 179 | 21 | 100 | 200 | Skin prick test |
Bafadhel et al, 2014 [28] | Leicester, UK | longitudinal study | 69 | 89 | 39 | 22 | 128 | Skin prick test and Plasma IgE analysis |
Le Pape et al, 2018 [29] | Bogotá, Colombia | Cross-sectional | 74 | 63 | 64 | - | 127 | Plasma IgE analysis |