| Author | Country | Age | Adverse events | Blinding |
| Chen 2013 [23] | Eastern | <18 | Cough attacks, oral aspiration, desaturation, bradypnea, hypotension, hypertension, bradycardia | Double-blind | Weng 2020 [24] | Eastern | <18 | Cough attacks, hypotension, hypertension, bradycardia, stridor | Double-blind | Erden 2009 [25] | Western | <18 | Agitation, tachycardia, nystagmus, bradypnea, hypotension, hypertension | Double-blind | Weisz 2017 [26] | Western | <18 | Oxygen desaturation, apnea, cardiovascular events, nausea, vomiting/retching, unpleasant recovery reaction | Double-blind | Mittal 2013 [27] | Eastern | <18 | Apnea, desaturation, stridor, coughing, laryngospasm | Double-blind | Wu 2020 [28] | Eastern | <18 | Hypoxia, agitation | Double-blind | Schmitz 2018 [29] | Western | <18 | Agitation, stridor, laryngospasm, apnea | Double-blind | Hasani 2013 [30] | Eastern | <18 | Hypotension, bradycardia, laryngospasm, hypertension, postoperative nausea, postoperative vomiting, cough attacks | Double-blind |
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