Table 2 Results of previous studies
| Authors | Type of graft | Cases | Bone defect classification | Mean f/u duration | Survival rate (loosening endpoint) |
|---|---|---|---|---|---|
| McNamara et al. [13] | allograft and hydroxyapatite | 37 | AAOS I-III | 56.9m | 95% |
| Oonishi et al. [14] | hydroxyapatite | 40 | AAOS I-II | 4-10y | 93% |
| Schwartz et al. [15] | biphasic calcium phosphate ceramics | 29 | Data not specified | more than 6m | 100% |
| Blom et al. [16] | allograft and tricalcium phosphate-hydroxyapatite | 43 | Data not specified | 24m | 98% |