Remnant liver volume and survival of postoperative animals. (a) Liver weight/body weight ratios 24, 36, 72, and 168 hours postoperatively. (b) Seven-day survival curves of postoperative animals. n = 6, *P <0.05 and **P <0.01 when comparing data of the H-BMMSC group with data of the other three groups. H-BMMSC, hypoxia-conditioned bone marrow mesenchymal stem cells; N-BMMSC, normoxia-conditioned bone marrow mesenchymal stem cells; VEGF, vascular endothelial growth factor.