Table 1.

Prosthesis characteristics for cemented prosthesis combinations in 62,305 total hip replacements, Norway 1987–2007

Prosthesis (cup/stem)	n	Manufacturer	Cup material d	Stem		Caput
				Material f %				Diameter (%) h	Modular %	Modular brand (%) i
material	surface e	Steel	CoCr	Alum.	Other g
Charnley	29,577	DePuy	U	Steel	MV	100	0	0	0	22 (100)	0	–
Exeter	10,003	Stryker, Osteonics, Howmedica	U	Steel	P	59	0.2	40	0.0	28 (51)	97	Exeter (100)
Reflection a/	7,285	Smith & Nephew	U	CoCr	MR	0	89	6.3	4.4	28 (93)	100	Universal (95)
Spectron-EF
Titan	6,250	Landos, DePuy	U	Ti	S	51	46	2.5	0	28 (70)	100	Landos (57)
Spectron/ITH b	2,355	Smith & Nephew	U	Ti	MS	0	97	3.1	0.1	32 (100)	100	Universal (96)
IP/SP (I, II) c	2,014	Waldemar Link	U	CoCr	M	0	99	1.1	0	28 (94)	90	SP II (100)
Contemporary/Exeter	1,571	Stryker, Howmedica	U	Steel	P	0.3	0.2	100	0	28 (100)	100	Exeter (99)
Kronos/Titan	1,303	Landos, DePuy	U	Ti	S	5.7	86	8.3	0	28 (100)	100	Fjord (85)
Elite/Titan	1,032	DePuy/Landos, DePuy	U	Ti	S	1.1	98	0.9	0	28 (98)	100	Fjord (97)
Reflectiona/ITHb	915	Smith & Nephew	U	Ti	MS	0	95	0	5.3	28 (92)	100	Universal (92)

^a Full brand name: Reflection Cemented All-Poly.

^b The ITH femoral prosthesis is not in current use.

^c Full brand name: Link IP/Lubinus SP I (n = 205) and Link IP/Lubinus SP II (n = 1,809).

^d U – ultrahigh molecular weight polyethylene. 8 cups with unknown material.

^e Surface: M – matt; MV – matt vaquasheen; MR – matt, roughened proximally; P – polished; S – smooth; MS – matt, sandblasted

^f Unknown material in 981 modular heads.

^g Zirconium (n = 334) and Oxinium (n = 37).

^h The most commonly used caput diameter (mm). Information was not available in 184 cases.

ⁱ The most common caput prosthesis brand among modular stems. Information was not available in 61 cases.