Table 4 of Shpak, Mol Vis 2022; 28:39-47.

Table 4. GDNF concentration in the studied biologic fluids (pg/ml) in POAG subgroups.

Biologic fluid           POAG 1–2 subgroup (n=13)           POAG 3–4 subgroup (n=17)           P
          Aqueous humor                                    
     mean±SD           40.0±25.7           51.1±34.7           NS
     range           4.4–77.4           4.4–106.6            
     median (IQR)           45.7 (14.4–57.4)           53.2 (32.5–66.0)            
          Lacrimal fluid                                    
     mean±SD           176±99           258±91           0.027
     range           61–385           141–487            
     median (IQR)           176 (96–238)           240 (190–307)            
          Blood serum                                    
     mean±SD           165±42           217±55           0.017
     range           106–230           150–317            
     median (IQR)           163 (128–202)           225 (163–246)            

Statistical analysis was performed by Mann–Whitney U test POAG – primary open-angle glaucoma; SD – standard deviation; IQR – interquartile range; NS – non-significant

Shpak, Mol Vis 2022; 28:39-47. http://www.molvis.org/molvis/v28/39

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