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Table 1 Biomechanical analysis of the allogenic mineralized suture anchor (AMSA), the metallic suture anchor (MSA), and the bioabsorbable suture anchor (BSA) at the greater tuberosity 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

Median load to failure (N)

248 (109–467)

204 (174–371)

197 (98–330)

0.427a

Median anchor displacement (mm)

1.5 (1–7)

2 (1–4)

1 (0–3)

0.193b

Failure mode (n)

 • Anchor breakage

0 (0%)

0 (0%)

2 (22.2%)

 

 • Suture tear

0 (0%)

5 (55.6%)

2 (22.2%)

< 0.001b

 • Maximum load to failure

18 (100%)

4 (44.4%)

5 (55.6%)

 
  1. aKruskal-Wallis test
  2. bFisher’s exact test