Table 2.
Correlation between PDE4 and Epac1 protein levels in rectal cancer.
| Epac1 | PDE4 | r s | P | ||||
|---|---|---|---|---|---|---|---|
| − | +− | + | ++ | +++ | |||
| − | 5 | 1 | 1 | 1 | 0 | 0.419 | 0.005 |
| +− | 3 | 4 | 5 | 0 | 0 | ||
| + | 2 | 0 | 5 | 3 | 1 | ||
| ++ | 0 | 1 | 3 | 5 | 0 | ||
| +++ | 1 | 1 | 2 | 0 | 0 | ||
Note: rs is the spearman rank correlation coefficient.
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