CCL5 and congestive heart failure: However, an association of CCL5 −403C > T (rs2107538) with protection against developing CCC was observed for genotype CT (OR = 0.5, P-value = 0.04) and T carriers (OR = 0.5, P-value = 0.01) compared to patients without cardiopathy as the control group (A) and cardiopathic patients with CHF symptoms as the case group (C), as shown in Table 1.