Table 2.
Correlations between TGF-β1, PDGF and proBNP
| TGF-β1 before RT | TGF-β1 after RT | TGF-β1 3 years |
Change in TGF-β1 before RT–after RT | Change in TGF-β1 before RT–3 years | Change in TGF-β1 after RT–3 years | |
|---|---|---|---|---|---|---|
| PDGF before RT | 0.667 | 0.222 | 0.132 | ─0.405 | ─0.480 | ─0.088 |
| PDGF after RT | 0.453 | 0.713 | 0.316 | 0.249 | ─0.141 | ─0.361 |
| PDGF 3 years | 0.299 | 0.338 | 0.749 | 0.022 | 0.336 | 0.414 |
| Change in PDGF before RT–after RT | ─0.221 | 0.481 | 0.246 | 0.646 | 0.363 | ─0.204 |
| Change in PDGF before RT–3 years | ─0.254 | ─0.128 | 0.625 | 0.308 | 0.739 | 0.513 |
| Change in PDGF after RT–3 years | ─0.132 | ─0.267 | 0.544 | ─0.152 | 0.600 | 0.826 |
| proBNP before RT | 0.298 | ─0.037 | ─0.040 | ─0.325 | ─0.280 | ─0.050 |
| proBNP after RT | 0.265 | ─0.041 | ─0.006 | ─0.252 | ─0.183 | ─0.005 |
| proBNP 3 years | 0.293 | ─0.060 | ─0.061 | ─0.321 | ─0.297 | ─0.070 |
| Change in proBNP before RT–after RT | ─0.040 | ─0.016 | 0.054 | 0.101 | 0.150 | 0.075 |
| Change in proBNP before RT–3 years | 0.114 | 0.087 | 0.004 | ─0.023 | ─0.111 | ─0.129 |
| Change in proBNP after RT–3 years | 0.212 | 0.018 | 0.004 | ─0.259 | ─0.232 | ─0.060 |
TGF-β1 transforming growth factor beta 1, PDGF Platelet-derived growth factor, proBNP N-terminal pro-brain natriuretic peptide, RT Radiotherapy, Correlation coefficients (Spearman’s rho) in bold are statistically significant (p < 0.05)