PDE4 and Epac1 Synergistically Promote Rectal Carcinoma via the cAMP Pathway

Table 5

Correlation between Epac1 and Cx43 protein levels in rectal cancer.

Epac1	Cx43					rs	P
	−	+−	+	++	+++
−	5	2	1	0	0	0.360	0.016
+−	4	3	5	0	0
+	1	7	2	1	0
++	1	3	3	1	1
+++	0	3	1	0	0

Note: is the spearman rank correlation coefficient.