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Official Journal of the Italian Society of Orthopaedics and Traumatology

Table 1 Demographic and clinical data

From: Conversion of failed internal fixation in proximal femur fractures using calcar-guided short-stem total hip arthroplasty

Demographics (n = 27)

Value [mean ± standard deviation (minimum–maximum) or n (%)]

Age at revision

65.3 ± 10.3 years (49–80 years)

Gender

14 (52%) male; 13 (48%) female

ASA grade

 1

8 (29.6%)

 2

14 (51.9%)

 3

5 (18.5%)

BMI

25.6 ± 3.8 kg/m2 (19.4–35.8 kg/m2)

Duration of follow-up

30.6 ± 11.6 months (12–49 months)

Fracture diagnosis

 Femoral neck fracture

18 (66.7%)

 Intertrochanteric fracture

9 (33.3%)

Type of osteosynthesis

 Dynamic hip screw

11 (40.7%)

 Cannulated screw fixation

7 (25.9%)

 Proximal femoral nail

6 (22.2%)

 Gamma nail

3 (11.1%)

Revision diagnosis

 Secondary osteoarthritis

17 (63%)

 Osteonecrosis of the femoral head

7 (25.9%)

 Hardware failure

3 (11.1%)

Haemoglobin value

 Preoperative

14.3 ± 1.1 g/dl (11.6–16.1 g/dl)

 Postoperative

10.8 ± 1.2 g/dl (8.2–13.6 g/dl)

  1. ASA American Society of Anesthesiologists, BMI body mass index