Dose intraarticular steroid injection increase the rate of infection in subsequent arthroplasty: grading the evidence through a meta-analysis

Table 2 The demographic characteristics of the included studies

Study	Study design	Prosthesis	Steroid injection	Time from injection to surgery	Deep infection rate		Superficial infection rate		Follow-up period
Study					Injected	Control	Injected	Control	Follow-up period
Kaspar et al.	Retrospective cohort	THA	80 mg methylprednisolone	0.5-42.9 months	4/40	0/40	NR	NR	(9.9-86.2) months
Papavasiliou et al.	Retrospective cohort	TKA	NR	NR	3/54	0/90	12/54	10/90	1 year
McIntosh et al.	Retrospective cohort	THA	6–40 mg drug (not mentioned)	112 ± 81 days	3/224	1/224	11/224	8/224	NR
Sreekumar et al.	Retrospective cohort	THA	80 mg depomedrone	14 months	0/68	1/136	0/68	1/136	25-33 months
Desai et al.	Retrospective cohort	TKA	80 mg depomedrone	12 months	0/90	0/180	2/90	5/180	1-6 years
Haughton et al.	Retrospective cohort	THA	80 mg depomedrone or 40 mg triamcinolone	NR	4/254	14/1063	11/254	4/1063	NR
Meermans et al.	Retrospective cohort	THA	80 mg depomedrone +5–15 mg levobupivacaine	12 months	1/175	1/175	5/175	7/175	12-131 months
Croft et al.	Retrospective cohort	THA	40 mg depomedrol +4 ml 2% xylocaine	5.9 months	0/48	0/48	NR	NR	1.4-54.1 months

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