Table 2 Comparison of the two groups of cups with migration > 1 mm and cups with migration < 1 mm.

Number

6

101

Male

2

34

Female

4

62

Right side

4

51

Left side

2

50

Age (years)

64.5

± 23.9

62.9

± 15.4

Size (cm)

162

± 6.0

168

± 10.0

Weight (kg)

76.8

± 20.3

66.9

± 18.0

BMI (points)

29.7

± 9.4

27.2

± 5.7

Primary surgery

5

98

Revision surgery

1

3

Follow-up (years)

2.5

± 1.8

2.6

± 1.7

Alpha Lock Plus

Implant

6

68

Duraloc

Implant

0

33

Cup size (mm)

53.0

± 5.5

53.3

± 3.3

Ball size (mm)

31.3

± 1.6

30.8

± 2.1

Screws (number)

2.5

± 1.2

2.0

± 0.3

Screws (length)

25.0

± 8.3

33.2

± 6.6

Cup inclination (°)

52.6

± 11.2

39.2

± 7.3

Cup anteversion (°)

12.6

± 7.2

16.7

± 5.6