S100A4 and chronic rhinosinusitis with nasal polyps: Table 3 showed that blood eosinophil percentages (OR = 2.650, 95% CI = 1.106–6.349, p = 0.029) and serum S100A4 (OR = 1.114, 95% CI = 1.033–1.201, p = 0.005) were associated with CRSwNP endotypes. The ROC curves in Figure 3 demonstrated that serum S100A4 (AUC = 0.726, p = 0.003) exhibited stronger predictive ability for CRSwNP endotypes than blood eosinophil counts (AUC = 0.650, p = 0.043). The detailed data were displayed in Table 4.