Table 2.

Adverse reactions.

Gao and Ren (14)	Tao and Peng (20)	Xu et al. (21)	Zhang et al. (25)	Liu (28)
Only the adverse reaction incidence rate of vomiting, lethargy and dizziness was recorded Experimental group: 7.14%
	Experimental group: dizziness and lethargy (1 case); dry mouth and nausea (1 case)	Experimental group: dizziness (5 cases); limb numbness (2 cases); weakness (3 cases); memory decline (5 cases)	Experimental group: nausea (2 cases); dizziness (6 cases); lethargy (2 cases); diarrhea (1 case)	Experimental group: nausea (1 case); dizziness (5cases); lethargy (1 case); diarrhea (1 case)
Control group: 14.28%	Control group: lethargy and weakness (1 case)	Control group: dizziness (15 cases); limb numbness (8 cases); weakness (2 cases); memory decline (15 cases)	Control group: nausea (3 cases); dizziness (5 cases); lethargy (1 case)	Control group: nausea (2 cases); dizziness (4 cases); lethargy (2 cases)