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Correlation analysis of HIF-2α and VEGF protein expression.
| VEGF expression | HIF-2α expression | χ 2 | p | |
|---|---|---|---|---|
| Negative (−) | Positive (+) | |||
| Negative (−) | 4 | 0 | 23.040 | 0.000 |
| Positive (+) | 6 | 54 | ||
Chi-square test for correlation analysis, χ 2 = 23.040, r = 0.514, p < 0.01.
