Study Year of
publication 		Patients Materials and methods Outcome measures
Number Age
(years) 		Sex N AT AR CO DO DO in DEX Swelling Pain Trismus
Lim and Ngeow [30] 2017 60 25 (SD 4) 11 M;
49 F 		A 20 PREOP S.m. DEX 4 mg 4 mg *
A, B < C 		*
B < A, C 		*
A, B < C
B 20 MET 40 mg 7.5 mg
C 20 - 0 mg 0 mg
Üstün et al. [32] 2003 20 21.9 (SD 2.6) NM A 20 PREOP i.v. MET 1.5 mg/kg 0.5 mg/kg - - -
B 20 3 mg/kg 1 mg/kg
Laureano Filho et al. [33] 2008 60 19.5 30 M;
30 F 		A 30 PREOP Oral DEX 8 mg 8 mg * - *
B 30 4 mg 4 mg
Agostinho et al. [34] 2014 27 21.7 (SD 6.4) 10 M;
17 F 		A 27 PREOP Oral DEX 4 mg 4 mg - - -
B 27 12 mg 12 mg

*Significant difference between groups, P < 0.05.
AR = administration route; AT = administration time; CO = corticosteroid; DEX = dexamethasone; DO = dose; i.v = intravenous; MET = methylprednisolone; N = number of interventions; PREOP = preoperatively; S.m. = submucosal; M = male; F = female.