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Table 2 Biomechanical analysis of the allogenic mineralized suture anchor (AMSA), the metallic suture anchor (MSA), and the bioabsorbable suture anchor (BSA) at all three implantation positions of the humeral head

From: Biomechanical properties of a suture anchor system from human allogenic mineralized cortical bone matrix for rotator cuff repair

  AMSA (n = 18) MSA (n = 9) BSA (n = 9) p-value (between suture anchor systems)a
Position 1 (anterior)
 Number of implantations 7 2 3  
 Median load to failure (N) 309 (177–467) 212 (200–223) 224 (197–330) 0.419
 Median anchor displacement (mm) 1 (1–2) 3 (2–4) 2 (1–2) 0.104
Position 2 (central)
 Number of implantations 6 4 2  
 Median load to failure (N) 248 (211–411) 214 (174–371) 200 (180–219) 0.180
 Median anchor displacement (mm) 1 (1–3) 2 (1–3) 1 (1–1) 0.347
Position 3 (posterior)
 Number of implantations 5 3 4  
 Median load to failure (N) 150 (109–422) 204 (174–371) 118 (98–255) 0.497
 Median anchor displacement (mm) 2 (2–7) 1 (1–3) 2 (0–3) 0.409
p-value (between positions regarding)a
 • Load to failure 0.214 0.885 0.247  
 • Anchor displacement 0.058 0.417 0.606  
  1. aKruskal-Wallis test