Total hip replacement: A meta-analysis to evaluate survival of cemented, cementless and hybrid implants

Table 1 Characteristics of the included studies

Ref.	Age (years old)	Length of follow-up (years)	Diagnosis	Cementing technique (generation)	Comparison		Approach	Comments
Bjørgul et al[11]	65 to 66	14	Osteoarthritis (most)	3rd	Cemented (n = 120)	Hybrid (n = 120)	direct lateral
Chandran et al[12]	64.5 to 65.5	14	primary Osteoarthritis	2nd	Cemented (n = 97)	Cementless (n = 105)	anterolateral
Corten et al[13]	64 (mean)	19.5	primary Osteoarthritis	2nd	Cemented (n = 124)	Cementless (n = 126)	direct lateral
Kim et al[14]	43.4 to 46.8	18.4	Avascular necrosis (most)	3rd	Hybrid (n = 109)	Cementless (n = 110)	ND	May overlap with Kim et al[15]
McCombe et al[16]	67.3	6.5 to 8	Primary OA (most)	2nd	Cemented (n = 84)	Hybric (n = 78)	posterolateral
Berend et al[17]	67.1	6.8	Osteoarthritis (most)	ND	Cemented (n = 1908)	Cementless (n = 623)	anterolateral and posterior
Clohisy et al[18]	61 to 62	10 to 11	Osteoarthritis	2nd	Cemented (n = 45)	Hybrid (n = 45)	posterolateral
Emerson et al[8]	55 to 70	6.7 to 7.2	Osteoarthritis (most)	3rd	Hybrid (n = 113)	Cementless (n = 88)	anterolateral
Hartofilakidis et al[19]	39.6 to 45.4	12.4 to 15.4	Osteoarthrosis secondary to congenital hip disease (most)	2nd	Cemented (n = 59)	Hybric (n = 58)	lateral transtrochanteric
Kim et al[15]	64.6	17.3	Avascular necrosis	3rd	Hybrid (n = 50)	Cementless (n = 98)	ND	May overlap with et al[14]
Pospula et al[20]	46.7 to 53.7	3 to 5	Avascular necrosis (most)	ND	Cemented (n = 87)	Cementless (n = 95)	cemented posterolateral cementless transgluteal
Van Stralen et al[21]	69.5	2.5	Primary OA (most)		Cemented (n = 746)	Cementless (n = 138)	posterior
Thomason et al[22]	54	7.4	Rheumatoid arthritis	ND	Hybrid (n = 47)	Cementless (n = 51)	posterior
Zimmerman et al[7]	74.9	1	Osteoarthritis	ND	Hybrid (n = 85)	Cementless (n = 174)	anterolateral, posterior
Conroy et al[23]	Any	5	Osteoarthritis	ND	Cemented (n = 8945); hybrid (n = 20445);		ND
					Cementless (n = 28582)
Dale et al[24]	Any	0 to 20	Osteoarthritis (most)	ND	Cemented (n = 82996)	Cementless (n = 14348)	ND	May overlap with study of et al[16]
Engesaeter et al[25]	Any	0 to 16	Primary Osteoarthritis	ND	Cemented (n = 51016)	Cementless (n = 5259)	ND	May overlap with et al[15]
Eskelinen et al[26]	< 55	0 to 24	Rheumatoid arthritis	ND	Cemented (n = 821)	Cementless (n = 724)	ND
Hailer et al[27]	Any	15	Osteoarthritis (most)	ND	Cemented (n = 161460)	Cementless (n = 8593)	ND
Hooper et al[28]	Any	7	ND	ND	Cemented (n = 16005); hybrid (n = 15189)		ND
					Cementless (n = 10898)
Lucht et al[29]	Any	4		ND	Cemented (n = 11671); hybric (n = 4491)		ND
					Cementless (n = 2030)
Mäkelä et al[30]	> 55	15	Osteoarthritis	ND	Cemented (n = 9549)	Cementless (n = 10310)	ND
Mäkelä et al[31]	63 to 69 (> 55)	15	Rheumatoid arthritis	ND	Cemented (n = 3440)	Cementless (n = 579)	ND
Mäkelä et al[32]	< 55	15	Osteoarthritis	ND	Cemented (n = 2342)	Cementless (n = 1326)	ND
Malchau et al[33]	All	8	Osteoarthritis (most)	ND	Cemented (n = 178762)	Cementless (n = 6102)	ND
Pedersen et al[34]	Any	0 to 14	Osteoarthritis (most)	ND	Cemented (n = 34656); cementless (n = 25571)		ND
					Hybrid (n = 20539)
Roberts et al[35]	All	ND	ND	ND	Cemented (n = 92928)	Cementless (n = 69882)	ND