Figure 2
Principal component analysis based on the differential concentrations of inflammatory mediators among ECRSwNP, NECRSwNP, and control groups
The X- and Y-axes represent the first and second principal components, respectively. Dots stand for individual samples. The types of the samples are color indicated. Abbreviations: ECRSwNP, eosinophilic chronic rhinosinusitis with nasal polyposis; NECRSwNP, noneosinophilic chronic rhinosinusitis with nasal polyposis.