Table 4.

Characteristics of the non-randomised controlled trials included in the best evidence synthesis

Non RCT	Prosthesis	Hips, n	Follow-up mean (mo)	Age mean (y)	Clinical score	Radiological score
Clohisy et al. 2001 [34]	Harris/HG	90	144	62	HHS	A + B + C
Gaffey et al. 2004 [33]	Charnley/HG	261	180	67	X	A + B + C
Hartofilakidis et al. 2009 [36]	Charnley/Multiple	117	168	43	X	A + B
Hearn et al. 1995 [35]	Multiple/Multiple	72	48	61	HHS	B + C
Kim et al. 2003 [39]	Multiple/Duraloc	95	120	47	HHS	A + B
Kordelle and Starker 2000 [42]	Muller/Zweymuller	47	72	62	X	C
Kruckhans and Dustmann, 2004 [44]	X/Multiple	600	120	66	HHS	X
Pospula et al. 2008 [45]	Exeter/Zweymuller	182	36	50	X	C
Ring et al. 1983 [46]	X/Ring	1101	36	X	X	B + C
Riska 1993 [47]	Ceravit osteal/X	255	48 vs 84 a	62	X	A
Weber et al. 1998 [50]	Multiple/Multiple	66	36 vs 120 a	52	X	C
Zicat et al. 1995 [37]	AML/AML	137	108	56	X	B + C

RCT randomised controlled trial, A  wear, B  osteolysis, C  migration, X  not reported, HHS Harris hip score

^a Separate follow-up duration for uncemented vs cemented sockets