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Table 1 Patient and implant characteristics of 19,682 THA in patients younger than 55 years old

From: The risk of revision after total hip arthroplasty in young patients depends on surgical approach, femoral head size and bearing type; an analysis of 19,682 operations in the Dutch arthroplasty register

 

N (%)

Male

9127 (46.4)

Age (y)a

49.0 (45.0–52.0)

ASA-classification

 ASA I

9323 (47.4)

 ASA II

8371 (42.5)

 ASA III-IV

1368 (7.0)

Diagnosis

 Primary osteoarthritis

13,035 (66.2)

 Secondary osteoarthritis

6453 (32.8)

Fixation

 Cemented

1924 (9.8)

 Uncemented

15,701 (79.8)

 Hybrid

312 (1.6)

 Reversed hybrid

1614 (8.2)

Head Diameter

 22–26 mm

163 (0.8)

 28 mm

5600 (28.5)

 32 mm

8165 (41.5)

 36 mm

4212 (21.4)

 ≥ 38 mm

750 (3.8)

Bearing type

 C-PE

9493 (48.2)

 MoM

899 (4.6)

 M-PE

3825 (19.4)

 CoC

2701 (13.7)

 Zr-PE

1132 (5.8)

Surgical approach

 Posterolateral

12,367 (62.8)

 Anterior

2053 (10.4)

 Direct lateral

4014 (20.4)

 Anterolateral

1248 (6.3)

  1. aMedian (IQR)