Table 1.
Comparison of Recorded Biomechanical Characteristics by Technique
| Interference Screw (n = 7) | All-Suture Anchor (n = 6) | All-Suture Anchor With Button (n = 6) | P Value | |
|---|---|---|---|---|
| Stiffness, N/mm, mean (SD) | ||||
| End cycle | 33.1 (8.3) | 28.0 (6.0) | 29.4 (5.3) | .354 |
| Load to failure | 35.2 (5.9) | 10.6 (4.1) | 17.9 (6.4) | <.001 |
| Ultimate failure load, N, mean (SD) | 362.7 (105.6) | 164.3 (28.4) | 101.7 (14.9) | <.001 |
| Yield load, N, mean (SD) | 264.9 (124.4) | 93.7 (15.5) | 86.8 (9.2) | <.001 |
| Creep, mm, mean (SD) | 1.7 (1.3) | 10.1 (5.7) | 7.1 (2.4) | .002 |
| Tendon, mm, mean (SD) | ||||
| Width | 7.5 (0.5) | 7.8 (0.4) | 7.8 (0.8) | .516 |
| Thickness | 4.2 (0.5) | 4.1 (0.6) | 4.3 (0.4) | .784 |
| Method of failure, n | ||||
| Tendon tear at grip site | 4 | 0 | 0 | |
| Tendon tear at fixation site | 3 | 6 | 6 | |
| Hardware failure at fixation site | 0 | 0 | 0 |
NOTE. P values reflect analysis-of-variance testing.
SD, standard deviation.