Table 2. Pearson correlations between the expression levels of proliferation markers in biopsies and residual tumors.
| Markers | Pearson Correlation | |||
|---|---|---|---|---|
| Biopsies | Residual Tumors | |||
| Correlation (r) | p-value | Correlation (r) | p-value | |
| Ki67 vs GRF2 | 0.8869 | 0.0006* | 0.7435 | 0.0217* |
| Ki67 vs EGFR | 0.7336 | 0.0157* | 0.7843 | 0.0123* |
| Ki67 vs SOS1 | 0.8470 | 0.0040* | 0.4605 | 0.2122 |
| GRF2 vs EGFR | 0.7105 | 0.0213* | 0.8207 | 0.0036* |
| GRF2 vs SOS1 | 0.9489 | 0.0001* | 0.8131 | 0.0042 |
| SOS1 vs EGFR | 0.6875 | 0.0407* | 0.4447 | 0.1978 |
| GRF2 vs size | NA | NA | 0.8334 | 0.0027* |
| Ki67 vs size | NA | NA | 0.4749 | 0.1654 |
| AnxA6 vs size | NA | NA | 0.5095 | 0.1325 |
| SOS1 vs size | NA | NA | 0.6079 | 0.0623 |
| EGFR vs size | NA | NA | 0.7819 | 0.0075* |
NA: not applicable
* p<0.05.