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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