Figure 5.

Kaplan–Meier survival curves. (a) Overall survival (P = 0.01). (b) Disease-free survival (P = 0.035). Median follow up: 72.2 months. Stromal cell-derived factor (SDF)-1 (H), patients with high levels of SDF-1 transcript (n = 79); SDF-1 (L), patients with low levels of SDF-1 transcript (n = 41).