Variables

Mean ± SD (min. - max.)

n (%)

Functional parameters

HHS

89.8 ± 8.5 (63 - 100)

Excellent

28 (59.6%)

Good

13 (27.7%)

Fair

5 (10.6%)

Poor

1 (2.1%)

HOOS

80.4 ± 18.1 (31.4 - 100)

Stiffness

87.4 ± 18.2 (25.0 - 100)

Pain

88.8 ± 18.5 (35.0 - 100)

Daily living

83.1 ± 19.6 (32.4 - 100)

Sports/Recreation

54.2 ± 29.3 (0.0 - 100)

Quality of life

65.0 ± 27.1 (0.0 - 100)

Degree of satisfaction

Satisfied

6 (12.8%)

Very satisfied

41 (87.2%)

Contralateral involvement

37 (78.7%)

Muscle competence

3

1 (2.1%)

4

6 (12.8%)

5

40 (85.1%)

Limb discrepancy

3 (6.4%)

Relevant radiological data

Heterotopic ossification

3 (6.4%)

Diaphyseal cortical hypertrophy

1 (2.1%)

Pedestal

1 (2.1%)

Radiolucency and/or osteolysis

1 (2.1%)

Stem subsidence

1 (2.1%)

Varus of the stem

2 (4.3%)

Verticalized acetabulum (>50˚)

2 (4.3%)