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Table 4 Statistically significant differences in percent area of TGF-β 1 expression in the submucosa, controls versus CRSwNP patients

From: Epithelium and stroma from nasal polyp mucosa exhibits inverse expression of TGF-β1 as compared with healthy nasal mucosa

Submucosa
   Positive area (%)  
  CRSwNP   Control
Mean 23.24   5.88
95% CI 18.69–27.79   0.1173–11.64
Standard deviation 8.85   8.58
Minimum 11.87   0
Median 20.64   0
Maximun 44.06   22.56
Kolmogorov-Sminov test: p = 0.41   p = 0.0003*
Mann-Whitney.    
   p = 0.03*