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Table 2 Clinical results and complications of the PA and ALA groups

From: Effect of surgical approach for contralateral side hip arthroplasty in below knee amputees: a retrospective cohort study

  PA group ALA group p value
Number of cases   33 34  
Perioperative evaluation Operation time (minutes) 82.5 (45–115) 83.2 (45–125) 0.871
Bleeding (ml) 923.6 (330–2030) 919.7 (380–2150) 0.798
Transfusion (units) 1.14 (0–3) 1.02 (0–3) 0.878
Hospital days 17.1 (8–24) 18.5 (7–25) 0.765
Functional evaluation Ambulation (start day) 5.79 (3–12) 5.51 (3–10) 0.789
Harris hip score
3 months 80.83 (70–96) 74.51 (64–92) 0.024
6 months 89.55 (76–100) 88.72 (74–97) 0.544
12 months 93.62 (84–100) 91.3 (86–97) 0.852
ADL scale
3 months 3.88 (3–5) 2.45 (2–5) 0.043
6 months 4.76 (4–6) 4.95 (4–6) 0.575
12 months 5.86 (4–6) 5.67 (4–6) 0.891
WOMAC scale
3 months 19.86 ± 3.52 21.26 ± 4.86 0.599
6 months 25.13 ± 2.15 26.85 ± 1.63 0.626
12 months 27.34 ± 5.27 29.49 ± 7.25 0.973
Fall (within 3 months) 3 11 0.019
Complications Dislocation 2 0 0.145
Periprosthetic Fx 1 3 0.317
within 3 months 0 2 0.157
  1. PA posterolateral approach, ALA anterolateral approach, ADL activity of daily living, WOMAC Western Ontario and McMaster Universities Osteoarthritis Index, Fx fracture