IFN-β level positively correlated with the number of eosinophils in the NP tissue (R = 0.858, P < 0.001; Figure 1D) and Lund-Mackay CT score (R = 0.413, P = 0.032; Figure 1E) in the patients with CRSwNP. Here, IFNB1 is linked to chronic rhinosinusitis with nasal polyps.