Table 2.

Risk of Bias Summary

Study	Sample-size calculation	Inclusion and exclusion criteria	Randomization	Allocation concealment	Reporting of animals excluded from analysis	Blinded assessment of outcome	Reporting potential conflicts of interest and study funding
Sun, J.Z. 201965	Unclear	Unclear	Low	Unclear	Low	Unclear	Unclear
Liu, X. 201866	Unclear	Unclear	Low	Unclear	Unclear	Unclear	Unclear
Wang, P. 201767	Unclear	Unclear	Low	Unclear	Unclear	Low	Unclear
Cong, L. 201668	Unclear	Low	Low	Unclear	Unclear	Low	Unclear
Sun, J.Z. 201569	Unclear	Unclear	Low	Unclear	Low	Unclear	Unclear
Liu, Y.L. 201570	Unclear	Low	Low	Unclear	Unclear	Low	Unclear
Li, Q. 201371	Unclear	Low	Low	Unclear	Unclear	Unclear	Unclear
Song, Y.X. 200972	Unclear	Low	Low	Unclear	Unclear	Unclear	Unclear
Sakanaka, M. 200773	Unclear	Unclear	Unclear	Unclear	Unclear	Unclear	Unclear
Guo, D.Q. 200474	Unclear	Low	Low	Unclear	Unclear	Low	Unclear

SD, Sprague-Dawley; T, thoracic vertebrae, SCI, spinal cord injury; GS Rd, Ginsenoside Rd; i.p., intraperitoneal; BBBs, Basso-Beattie-Bresnahan locomotor rating scale; HE staining, hematoxylin-eosin staining; SOD, Superoxide Dismutase; MDA, malondialdehyde.