Table 2: Percentage of reduction of fibrinogen (0.5 mg/mL) adsorption compared to LP surface for different coupling concentrations of star PEG. Results are expressed as mean ± SD, .

SurfaceReduction of fibrinogen adsorption (%)

15% PEG 76 ± 18
5% PEG 79 ± 11
1.66% PEG 64 ± 11
0.5% PEG 34*

5% PEG after 4 weeks in PBS %

*Result expressed as a mean; only.