Table 2 Correlation coefficients between the different markers
| Â | PDGF-AA | PDGF-BB | FGF2 |
|---|---|---|---|
PDGF-BB | r = 0.80 (p < 10-5) |  |  |
FGF2 | r = 0.42 (p < 10-5) | r = 0.32 (p = 0.003) |  |
VEGF | r = 0.50 (p < 10-5) | r = 0.53 (p < 10-5) | r = 0.25 (p = 0.02) |