Table 2.
Beaded | Large pore foam | Small pore foam | Beaded | Large pore foam | Small pore foam | ||||
---|---|---|---|---|---|---|---|---|---|
Periprosthetic bone (mm2) | Periprosthetic bone (%) | ||||||||
0 | 2.7 ± 1.2 | 2.3 ± 0.7 | 2.8 ± 0.6 | 0 | 14.0 ± 6.1 | 12.5 ± 3.7 | 15.3 ± 3.0 | ||
3 | 5.3 ± 1.5 | 4.3 ± 1.1 | 3.9 ± 0.7 | 3 | 27.7 ± 7.7 | 23.2 ± 5.9 | 21.7 ± 4.0 | ||
6 | 4.1 ± 0.9 | 3.8 ± 0.8 | 4.0 ± 1.3 | 6 | 21.4 ± 4.9 | 20.5 ± 4.4 | 22.0 ± 6.9 | ||
12 | 4.2 ± 0.9 | 4.0 ± 0.7 | 3.9 ± 0.7 | 12 | 21.9 ± 4.7 | 21.2 ± 3.8 | 21.7 ± 3.7 | ||
Periprosthetic bone (mm2) | Periprosthetic bone (%) | ||||||||
Time 0 | Distal | 4.5 ± 2.7 | 4.4 ± 1.8 | 4.0 ± 1.4 | Time 0 | Distal | 23.7 ± 14.1 | 24.0 ± 9.2 | 22.1 ± 7.8 |
Mid | 1.0 ± 1.1 | 0.9 ± 0.9 | 1.2 ± 0.8 | Mid | 5.1 ± 5.5 | 4.7 ± 4.8 | 6.5 ± 4.0 | ||
Prox | 2.5 ± 2.0 | 1.6 ± 1.9 | 3.2 ± 1.9 | Prox | 13.3 ± 10.5 | 8.8 ± 10.1 | 17.4 ± 10.3 | ||
3 wks | Distal | 6.3 ± 2.5 | 5.5 ± 3 | 7.1 ± 2.1 | 3 wks | Distal | 33.2 ± 13.0 | 29.4 ± 16.5 | 39.4 ± 11.4 |
Mid | 2.7 ± 2.4 | 2.1 ± 2.2 | 0.9 ± 0.8 | Mid | 14.1 ± 12.9 | 11.1 ± 11.4 | 4.9 ± 4.5 | ||
Prox | 6.8 ± 3.4 | 5.5 ± 2.6 | 3.8 ± 2.0 | Prox | 35.8 ± 18.0 | 29.0 ± 13.0 | 20.8 ± 11.1 | ||
6 wks | Distal | 6.0 ± 3.2 | 5.5 ± 2.7 | 5.5 ± 3.2 | 6 wks | Distal | 31.5 ± 16.7 | 29.0 ± 14.4 | 29.9 ± 17.5 |
Mid | 1.7 ± 1.3 | 0.9 ± 0.9 | 1.4 ± 1.2 | Mid | 8.7 ± 6.9 | 4.9 ± 4.8 | 7.5 ± 6.4 | ||
Prox | 4.6 ± 2.8 | 5.1 ± 3.2 | 5.2 ± 3.4 | Prox | 23.9 ± 14.5 | 27.7 ± 17.5 | 28.6 ± 18.4 | ||
12 wks | Distal | 5.0 ± 2.2 | 5.1 ± 2.3 | 5.1 ± 1.7 | 12 wks | Distal | 26.4 ± 11.8 | 27.1 ± 12.1 | 28.1 ± 9.8 |
Mid | 1.9 ± 1.4 | 2.1 ± 1.2 | 1.6 ± 1.2 | Mid | 9.8 ± 7.5 | 11.1 ± 6.6 | 8.7 ± 6.4 | ||
Prox | 5.7 ± 3.1 | 4.7 ± 2.8 | 5.1 ± 2.9 | Prox | 29.5 ± 16.1 | 25.5 ± 15.0 | 28.2 ± 15.3 |