Efficacy and safety of prophylactic use of ketamine for prevention of postanesthetic shivering: a systematic review and meta analysis

Table 2 Comparisons of incidence of other side effects

Side effccts	Number of studies	Ketamine	Placebo
		Events/Total	Events/Total	Odds Ratio (95% CI)
Nausea and vomitting	11	48/523	57/463	0.70 [0.44, 1.12]
Hypotension	6	23/302	61/271	0.30 [0.18, 0.49]
Bradycardia	2	3/112	11/81	0.14 [0.04, 0.52]
Hallucination	5	16/272	0/151	4.41 [1.14, 17.07]

ISSN: 1471-2253