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The severity of immunohistochemical staining with VEGF antibody.
| VEGF immunohistochemical staining | ||||||
|---|---|---|---|---|---|---|
| Groups | Negative (=0) | Suspected (=1) | Mild (=2) | Moderate (=3) | Strongly (=4) | Mean ± SD |
| I | 0 | 0 | 2 | 4 | 4 | 3.2 ± 0.78 |
| II | 0 | 2 | 2 | 3 | 3 | 2.7 ± 1.16 |
| III | 6 | 3 | 1 | 0 | 0 | 0.5 ± 0.70 |
I verus II: P = 0.27; I versus III; P < 0.001; II versus III: P < 0.001.
