Table 1.
Statistical Analysis of Mean %BV by Cohort and Region
| Region | Treatment | Mean %BV | SE | pa |
|---|---|---|---|---|
| Cohort 1 | ||||
| Overall defect | BMA | 33.7 | 4.0 | 0.63 |
| DS | 30.1 | 4.0 | ||
| IM | BMA | 27.4 | 4.3 | 0.56 |
| DS | 23.0 | 4.3 | ||
| PC | BMA | 39.8 | 4.3 | 0.73 |
| DS | 37.2 | 4.3 | ||
| Cohort 2 | ||||
| Overall defect | DS-T | 22.5 | 3.7 | 0.36 |
| SR | 26.3 | 3.7 | ||
| IM | DS-T | 16.0 | 3.9 | 0.50 |
| SR | 18.9 | 3.9 | ||
| PC | DS-T | 29.0 | 3.9 | 0.31 |
| SR | 33.6 | 3.9 | ||
| DS groups only | ||||
| Overall defect | DS | 30.1 | 3.8 | 0.20 |
| DS-T | 22.5 | 4.1 | ||
a
Statistically significant at p < 0.05 (ANOVA).
BMA, bone marrow aspirate; %BV, percent bone volume; DS, density separation; IM, intramedullary; PC, pericortical; SE, standard error; SR, selective retention.