IAPA = influenza-associated pulmonary aspergillosis, non-IAPA = influenza patients without IAPA, y = year, ICU = intensive care unit, IQR = interquartile range, COPD = chronic obstructive pulmonary disease,*at influenza diagnosis, SAPS II = simplified acute physiology score, predicts mortality in ICU patients17, *at influenza diagnosis, obesity = BMI \(\geq 30,\ \)corticosteroids before influenza diagnosis\(\geq\) 0.1mg/kg/day prednisone equivalent.
Table 2: IAPA diagnostics