Table 3.

Preoperative characteristics of the included studies.

	PS						ST
	n	Implant	M	F	Age	BMI	n	Implant	M	F	Age	BMI
Abane	70	Genesis II	41	29	67.8	28.8	70	Genesis II	43	28	70.4	28.6
Boonen	86	Vanguard	34	56	69	30.3	82	Vanguard	40	50	65	29.5
Chareanc.	40	NexGen	6	34	69.5	27.7	40	NexGen	4	36	70.3	28
Hamilton	26	TruMatch	14	21	68.1	30.9	26	NS	7	19	67.6	31.1
Kotela	49	Vanguard	16	33	66.1	30.0	46	Vanguard	13	33	68.6	29.6
Parratte	20	NexGen	NS	NS	NS	NS	20	NexGen	NS	NS	NS	NS
Pfitzner	60	TruMatch/Visionaire	26	34	64	30	30	Journey BCS	13	17	64	31
Roh	42	Vanguard	3	39	70	27	48	Vanguard	5	43	70	27
Victor	64	Biomet PS	21	43	67	NS	64	Biomet PS	21	43	66	NS
Woolson	30	TruMatch	NS	NS	NS	NS	33	NS	NS	NS	NS	NS
Yan	30	NS	13	17	67.5	NS	30	NS	7	23	69.8	NS
Chotanaphuti	40	TruMatch	NS	NS	69.7	25	40	Sigma	NS	NS	69.3	25

n = number of cases, M = male, F = female, BMI = Body mass index, NS = Not specified.