To confirm the correlation between HSP47 and CRS, real-time PCR was performed using nasal tissues from each group (Control UP, n = 4; CRSsNP-UP, n = 10; CRSwNP-UP, n = 10; CRSwNP-NP, n = 13). Here, SERPINH1 is linked to chronic rhinosinusitis with nasal polyps.