Figure 1From: Serum Dickkopf-1 expression level positively correlates with a poor prognosis in breast cancerDKK-1 levels in serum of breast cancer and healthy individuals. The mean serum level of DKK-1 in patients with breast cancer was 4.99 ± 1.50 ng/mL, and was significantly higher than that in healthy individuals (1.88 ± 0.81 ng/mL, p < 0.001).Back to article page