IFNG and asthma: For diagnosing acute asthma attacks, the AUC of the miR-1 expression level was the highest (AUC = 0.900, P < 0.05), followed by the TNF-α level (AUC = 0.837, P < 0.05) and the IFN-γ level (AUC = 0.823, P < 0.05) (Table 4 and Figure 1).