Table 2.
Blood Vessel Density for Immature, Adolescent, and Adult Animals at the Femoral Stump, Proximal, Central, Distal, and Tibial Stump of the ACL at Weeks 1, 2, and 4a
| Femoral Stump |
Proximal ACL |
Central ACL |
Distal ACL |
Tibial Stump |
|
|---|---|---|---|---|---|
| Site | Week 1 | ||||
| IMMATURE | 66 ± 56 | 75 ± 34 | 138±71* | 97 ± 51 | 25 ± 18 |
| ADOLESCENT | 26 ± 27 | 27 ± 28 | 61 ± 42 | 70 ± 38 | 7 ± 1 |
| ADULT | 11 ± 5 | 47 ± 30 | 30 ± 14* | 30 ± 22 | 50 ± 05 |
|
Week 2 |
|||||
|---|---|---|---|---|---|
| IMMATURE | 66 ± 41 | 105 ± 42 | 198 ± 68 | 121 ± 42 | 47 ± 32 |
| ADOLESCENT | 31 ± 25 | 99 ± 104 | 140 ± 102 | 104 ± 76 | 21 ± 27 |
| ADULT | 21 ± 21 | 43 ± 19 | 115 ± 57 | 68 ± 25 | 15 ± 12 |
|
Week 4 |
|||||
|---|---|---|---|---|---|
| IMMATURE | 8.93 ± 3.23 | 13.31 ± 4.33 | 20.62 ± 7.66 | 12.37 ± 4.48 | 6.68 ± 2.96 |
| ADOLESCENT | 11.81 ± 7.69 | 10.87 ± 2.18 | 16.5 ± 4.72 | 14 ± 6.28 | 8.312 ± 6.14 |
| ADULT | 4.87 ± 0.95 | 8.87 ± 5.53 | 17.256.72 | 10.62 ± 2.93 | 3.5 ± 1.75 |
a
Values are expressed as mean ± SD, with n = 4, measured as vessels/mm2.
*
Indicates a significant difference between Immature and Adult at the central ACL site at week 1 (p < 0.01).