Table 1.
(1) PTFE, 2 anchors, suture |
(2) PTFE, 2 anchors, minitape |
(3) HDA, 2 anchors, suture |
(4) HDA, 2 anchors, minitape |
(5) PTFE, 3 anchors, minitape |
Significant differences between groups (P < .05) | |
---|---|---|---|---|---|---|
Most common mode of failure | Button-holing (4/6) | Button-holing (6/6) | Button-holing (6/6) | Button-holing (6/6) | Avulsion (3/6) |
Statistical analysis was not performed. |
Peak load (N) | 293 ± 65 | 291 ± 36 | 226 ± 67 | 274 ± 62 | 384 ± 62 | (3) vs (5) (4) vs (5) |
Stiffness (N/mm) | 22 ± 3 | 22 ± 3 | 16 ± 4 | 17 ± 4 | 24 ± 3 | (3) vs (5) (4) vs (5) |
Yield load (N) | 268 ± 70 | 264 ± 33 | 194 ± 74 | 244 ± 50 | 343 ± 42 | (3) vs (5) (4) vs (5) |
Peak energy (N m) | 3 ± 1 | 3 ± 1 | 2 ± 1 | 2 ± 1 | 4 ± 2 | (3) vs (5) (4) vs (5) |
Ultimate energy (N m) | 4 ± 1 | 4 ± 1 | 2 ± 1 | 3 ± 1 | 8 ± 3 | (1) vs (5) (2) vs (5) (3) vs (5) (4) vs (5) |
Data are mean ± SD. PTFE polytetrafluoroethylene, HDA human dermal allograft.