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Concentrations of growth factors in platelet-rich and platelet-poor preparations as determined by enzyme-linked immunosorbent assay (ELISA)
| Growth factor | Platelet-rich preparation (PL) (ng/mL) | Platelet-poor preparation (PPP) (ng/mL) |
|---|---|---|
| PDGF-AB | 46.4 ± 17.6 | 14.5 ± 2.7 |
| PDGF-BB | 8.4 ± 3.5 | 5.3 ± 1.1 |
| VEGF | 1.4 ± 0.4 | 0.8 ± 0.6 |
| TGF-β | 68.8 ± 16.1 | 25.3 ± 3.8 |
