Safety and efficacy of low-dose esketamine in laparoscopic cholecystectomy: a prospective, double-blind randomized controlled trial

Table 5 Post-operative adverse reactions

	NS	LS	HS
n	30	30	30
Nausea or vomiting (n/%)	5(16.67)	0(0.00)^*	0(0.00)^*
Respiratory depression (n/%)	4(13.33)	0(0.00)^*	0(0.00)^*
Hypersecretion (n/%)	0(0.00)	1(3.33)	1(3.33)
Nightmares (n/%)	0(0.00)	0(0.00)	1(3.33)
hallucinations or double vision (n/%)	0(0.00)	0(0.00)	1(3.33)

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