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Table II
Histologic analysis at D28: cell count, vascular count and microscopic features of irradiated and non-irradiated samples. P value is given for each parameter.
| Parameter | Non irradiated group | Irradiated group | Statistical significance |
|---|---|---|---|
| Cortical/haversian bone ratio | 0/1 to 3/2 | 0/1 to 2/3 | NS |
| Architectural modifications | No | No | NS |
| Viable osteocytes count | 403.3 (354–436) | 275.1 (213–318) | p = 0.03 |
| Viable osteoclasts count | 9.3 (5–14) | 2.6 (0–6) | p = 0.03 |
| Viable osteoblasts count | 193.4 (143–219) | 30.3 (12–47) | p = 0.02 |
| Necrosis | No | Yes | S |
| Fibrosis | No | No | NS |
| Vascularization (vessel count) | 19.2 (11–31) | 7.4 (5–10) | p = 0.04 |
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