Figure 4. Forest plot of the differences in the BBB score of the BMSCs and control groups in different model subgroups at 3 weeks after transplantation.

The BBB score of impacted injury model subgroup was significantly increased in the BMSCs group than the control group at 3 weeks after BMSCs transplantation (WMD = 3.62; 95% CI, 2.68–4.56; P<0.00001).