Statistics shown are the results of Spearman correlation (r) analysis for data sets not normally distributed (A, C & E) and Pearson correlation (r) analysis for normally distributed data (B, D & F). CRSsNP, chronic rhinosinusitis without nasal polyposis; CRSwNP, chronic rhinosinusitis without nasal polyposis; pg, picograms; ml, milliliter; bFGF, basic fibroblast growth factor; RANTES, regulated upon activation normal T cell expressed and secreted; MCP-1, monocyte chemoattractant protein-1.