Table 1.

Demographic data

	MSS Co	MSS Ti	SL Ti	SL Co
n (%)	172 (21)	267 (32)	233 (28)	156 (19)
Implantation period	07/1984–	07/1987–	11/1990–	11/1993–
	07/1987	11/1990	11/1993	07/1995
Follow-up, years (SD)	13.7 (7.5)	13.2 (6.5)	11.8 (5.5)	11.6 (5.0)
Age, years (SD)	69.1 (9.7)	69.2 (9.3)	69.6 (9.6)	67.8 (10.1)
Males, n (%)	94 (55)	144 (54)	148 (64)	99 (64)
Right hip, n (%)	100 (58)	148 (55)	120 (52)	83 (53)
Diagnosis
Osteoarthritis, n (%)	135 (79)	224 (84)	207 (89)	134 (86)
IA, n (%)	9 (5)	11 (4)	5 (2)	5 (3)
Fx, n (%)	17 (10)	21 (8)	12 (5)	5 (3)
Other, n (%)	11 (6)	11 (4)	9 (4)	12 (8)

IA: inflammatory arthritis; Fx: femoral neck fracture.