Table 1.

Characteristics of studies with provisional support to share individual level data

Lead author, publication date (reference number)	Location	Year of study	Mean/median age (years)	% male	Follow-up mean/median (months)	Type of re-implantation	Use of spacer	Number of re-infections	Number of participants	Type of revision
Elson et al. 1993 [21]	UK	NS	NS	NS	NS	NS	NA	33	235	One-stage
Whittaker et al. 2009 [22]	UK	1998 to 2003	69.0	49.0	49.0	Both	Spacer	6	43	Two-stage
Cabrita et al. 2007 [23]	Brazil	1996 to 2003	54.6	58.0	48.0	NS	Spacer	4	38	Two-stage
Ritter et al. 2010 [25]	USA	1969 to 2004	66.2	52.0	82.8	NS	NS	5	17	Two-stage
De Man et al. 2011 [24]	Switzerland	1985 to 2004	70.0	57.0	45.6	NS	NS	1	55	One-stage
Neumann et al. 2012 [26]	Austria	2000 to 2008	25 to 84a	56.8	67.0	Cementless	Spacer	1	44	Two-stage
Schwarzkopf et al. 2014 [27]	USA	2001 to 2011	62.3	46.9	32.4	Cemented	Spacer	3	62	Two-stage
Zeller et al. 2014 [28]	France	2002 to 2010	71.0	58.0	41.6	Cementless	NA	6	157	One-stage

NA, not applicable; NS, not stated; Both, some participants had cemented re-implantation and others cementless.

^aAge range.