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Table 1 Baseline characteristics of patients treated with hemiarthroplasty for displaced intracapsular fractures of the femoral neck

From: The effect of osteoarthritis on functional outcome following hemiarthroplasty for femoral neck fracture: a prospective observational study

  All patients (N = 113) Osteoarthritis gradea 3–4 (N = 31) Osteoarthritis gradea 0–2 (N = 82) p-value
Age in years (mean ± SD) 82 ± 7 83 ± 6 82 ± 8 0.709
Gender     
 female 87 (77 %) 20 (65 %) 67 (82 %) 0.078
 male 26 (23 %) 11 (35 %) 15 (18 %)  
ASA Score (mean ± SD) 3.0 ± 0.5 3.0 ± 0.5 2.9 ± 0.4 0.429
 II 19 (17 %) 4 (13 %) 15 (18 %)  
 III 81 (72 %) 23 (74 %) 58 (71 %)  
 IV 13 (12 %) 4 (13 %) 9 (11 %)  
Pre fracture Barthel Index (mean ± SD) 77 ± 28 73 ± 33 79 ± 26 0.312
MMSE on admission 20 ± 9 19 ± 9 21 ± 9 0.286
 27–30 (normal) 35 (31 %) 7 (23 %) 27 (33 %)  
 20–26 (mild dementia) 39 (35 %) 10 (32 %) 30 (37 %)  
 10–19 (moderate dementia) 21 (19 %) 9 (29 %) 12 (15 %)  
  < 10 (severe dementia) 18 (16 %) 5 (16 %) 13 (16 %)  
  1. aOsteoarthritis was graded according to Kellgren and Lawrence
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