Table 3 Results of the evaluation of angiogenesis
Average number of CD31+ microvessels by position in femoral head (SD) | ||||||
|---|---|---|---|---|---|---|
| Â | Subchondral bone | |||||
1 | 2 | 3 | 4 | Total | P value | |
CD | 2.0 (3.2) | 5.5 (4.0) | 2.0 (2.5) | 3.8 (3.1) | 3.3 (3.3) |  < 0.01 |
HG | 0.4 (0.7) | 0.3 (0.6) | 1.6 (3.2) | 0.5 (1.0) | 0.7 (1.7) |  < 0.0001 |
MSC | 2.3 (5.0) | 4.3 (7.5) | 2.2 (3.7) | 1.3 (2.4) | 2.5 (4.8) |  < 0.01 |
PGK-PDGF-BB-MSC | 10.5 (10.6) | 6.3 (4.7) | 9.4 (6.6) | 6.3 (5.3) | 8.1 (7.0) | 1.0 |
| Â | Surrounding tunnel | ||||
|---|---|---|---|---|---|
5 | 6 | 7 | Total | P value | |
CD | 1.6 (2.3) | 5.2 (4.3) | 7.1 (4.4) | 4.6 (4.2) |  < 0.01 |
HG | 0.6 (1.2) | 1.7 (2.9) | 3.6 (5.4) | 2.1 (3.6) |  < 0.0001 |
MSC | 0.3 (0.4) | 1.7 (1.7) | 1.9 (2.4) | 1.3 (1.8) |  < 0.0001 |
PGK-PDGF-BB-MSC | 8.4 (3.6) | 11.0 (6.2) | 11.3 (5.4) | 10.3 (5.0) | 1.0 |
| Â | Inside CD | ||||
|---|---|---|---|---|---|
8 | 9 | 10 | Total | P value | |
CD | 10.0 (8.5) | 10.3 (6.6) | 8.5 (8.2) | 9.6 (7.4) |  < 0.01 |
HG | 6.0 (5.2) | 5.7 (5.4) | 5.1 (5.3) | 5.6 (5.0) |  < 0.001 |
MSC | 4.6 (4.6) | 7.9 (8.9) | 10.2 (13.5) | 7.6 (9.4) |  < 0.01 |
PGK-PDGF-BB-MSC | 16.5 (6.8) | 20.4 (8.5) | 25.9 (11.8) | 20.9 (9.6) | 1.0 |