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Table 3 Results I

From: Early functional results after Hemiarthroplasty for femoral neck fracture: a randomized comparison between a minimal invasive and a conventional approach

Four-item Barthel Pre fracture Day 1 Day 5 Day 16 Day 40
Median
DAA 42.5 (5–50) 0 (0–20) 20 (0–50) 25 (5–50) 42.5 (5–50)
StdDev.13.9 StdDev.5.8 StdDev.13.6 StdDev.13.1 StdDev.14.6
Watson-Jones 40 (25–50) 0 (0–15) 10 (0–5) 20 (0–45) 30 (5–45)
StdDev.7.4 StdDev.5.4 StdDev.10.2 StdDev.13.9 StdDev.11.9
P-Value p = 0.55 p = 0.47 p = 0.009 p = 0.05 p = 0.013
(1-β = 0.96)
Pain (VAS)      
Median
DAA 6 (0–8) 4 (1–8) 2 (0–5) 1 (0–5) 0 (0–1)
StdDev.1.9 StdDev.1.96 StdDev.1.4 StdDev.1.33 StdDev.0.31
Watson-Jones 5.5 (0–9) 5 (2–8) 4 (0–5) 2 (0–4) 1 (0–2)
StdDev.2.0 StdDev.1.66 StdDev.1.6 StdDev.1.53 StdDev.0.82
P-Value p = 0.37 p = 0.88 p = 0.14 p = 0.035 p = 0.0004
Packed red cells Min. Mean Max. StdDev. P-Value
(Units)
DAA 0 1.1 4 1.4  
Watson-Jones 0 1.7 12 3.5 p = 0.44
  1. Results of Barthel index, VAS pain scoring and packed red cell transfusion (during the study period).