Fig. 7

Kaplan–Meier curves showing the probabilities of a cumulative RTW incidence in both groups and serial changes in work status proportions in the b PBMNCs and c PCCs groups. Legend: RTW, return to work; PBMNCs, peripheral blood mononuclear cells; PCCs, purified CD34+ cells; AICLI, angiitis-induced critical limb ischemia