Table 1.

Characteristics of included studies.

Author & Year	Country	Design	Sample size	Dexamethasone application	Observation	Parameter
Feng 2005 (1)	China	RCT	60	Oral administration (2.25 mg. bid.) from PRD 3 to POD 4	1 week after TACE	Nausea and vomiting; Fever; Abdominal pain
Feng 2005 (2)	China	RCT	(60)			Nausea and vomiting; Fever; Abdominal pain
Feng 2009 (1)	China	RCT	90	Oral administration (2.25 mg. bid.) from PRD 3 to POD 4	1 week after TACE	Nausea and vomiting; Fever; Abdominal pain
Feng 2009 (2)	China	RCT	(90)			Nausea and vomiting; Fever; Abdominal pain
Ogasawara 2017	Japan	RCT	119	Intravenous administration (20 mg. qd.) On POD 0; Intravenous administration (8 mg. qd.) On POD 1 and 2	6 days after TACE	Nausea; Vomiting; Fever; Abdominal pain
Yang 2017	Korea	RCT	81	Intravenous administration (12 mg) before TACE	48 hours after TACE	Nausea; Vomiting; Fever; Abdominal pain

POD = postoperative day, PRD = preoperative day, RCT = randomized controlled trial.