Open Access
Table 1
Characteristics of the cohort.
| Number of patients | 100 |
| Gender: female/male | 51/49 (51%) |
| Mean age at surgery (years) | 62.98 ± 11.15 |
| Preoperative ASA score | |
| 1–2 | 81 (81%) |
| 3–4 | 4 (4%) |
| Not reported | 15 (15%) |
| Preoperative Devane score | |
| Devane 2–3 (active and very active) | 95 (95%) |
| Devane 4 (sedentary) | 5 (5%) |
| Devane 5 (dependant) | 0 |
| Not reported | 3 (3%) |
| Weight/BMI status | |
| Normal (20–25) | 59 (59%) |
| Mild obesity (26–30) | 23 (23%) |
| Severe obesity (31–35) | 15 (15%) |
| Charnley classification | |
| Class A | 36 (36%) |
| Class B | 56 (56%) |
| Class C | 4 (4%) |
| Aetiology | |
| Osteoarthritis | 87 (87%) |
| Hip dysplasia | 2 (2%) |
| Rhumatoid arthritis | 4 (4%) |
| Fracture | 0 |
| Post traumatic arthritis | 0 |
| Osteonecrosis | 7 (7%) |
| Bearing | |
| Ø 28 Ceramic on polyethylene (CoP) | 78 |
| Ø 22.2 metal on polyethylene (MoP) Stainless steel head | 22 |
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