Table 3.
Summary of Mechanical Data Performed for All Groups at Both 3 and 6 Weeks. a
| Group 1 (Control) | Group 2 (Collagen Only) | Group 3 (Collagen+PEP) | P Value (Between Groups) | ||||
|---|---|---|---|---|---|---|---|
| Mean | P Value (Between Time Points) | Mean | P Value (Between Time Points) | Mean | P Value (Between Time Points) | ||
| Load to failure, N | .73 | .34 | .99 | ||||
| 3 wk | 93.40 | 148.33 | 78.99 | .16 | |||
| 6 wk | 108.05 | 123.44 | 79.39 | .25 | |||
| Cross-sectional area, mm 2 | .71 | .0007 | .008 | ||||
| 3 wk | 19.79 | 48.19 | 23.96 | .007 | |||
| 6 wk | 16.96 | 14.54 | 10.05 | .04 | |||
| Stiffness, N/mm | .30 | .20 | .97 | ||||
| 3 wk | 16.88 | 17.96 | 18.98 | .95 | |||
| 6 wk | 26.32 | 26.19 | 18.75 | .37 | |||
| Ultimate tensile stress, MPa | .12 | .0014 | .02 | ||||
| 3 wk | 4.34 | 3.07 | 3.31 | .15 | |||
| 6 wk | 6.86 | 8.83 | 7.12 | .46 | |||
| Young modulus, MPa | .03 | .0004 | .014 | ||||
| 3 wk | 23.92 | 15.57 | 21.48 | .32 | |||
| 6 wk | 45.04 | 65.97 | 59.88 | .21 | |||
a Bolded P values indicate statistically significant differences in the data compared (P < .05). PEP, purified exosome product.