Dolph Houben

86 CHAPTER 4 Table 2: Bone/Transplant properties on micro-CT evaluation Contra- lateral (cl) (N=12) Group I (AV+) (N=6) Group II (AV-) (N=6) p-value cl-I P-value cl-II p-value I-II Mean Bone BMD** (mg/cm 3 ) 478.46 (441.13-510.36) 431.65 (357.11-522.75) 371.97 (359.08-592.01) 0.16 1 0.87 Bone Porosity (%) 0.18 (0.13-0.27) 0.56 (0.43-0.75) 0.54 (0.30-0.98) 0.06 0.06 0.75 values are median and interquartile range ** BMD: Bone mineral Density; cl: contra-lateral normal bone Figure 5: axial compression testing of allotransplants compared to contralateral normal bone expressed in elastic modulus (Mpa). Table 3: Cyclic Reference Point Indentation after vascularized bone allotransplantation Indentation Contra-lateral (cl) (n=12) Group I (AV+) (n=6) Group II (AV-) (n=6) p-value cl-I p-value cl-II p-value I-II Total indentation dist. (TID) 79.33 (72.92-84.08) 103.5 (80.67-121.33) 132.92 (102.42-135.67) 0.03* 0.03* 0.63 Normalized Indentation Dist. increase (NIDI) 0.78 (0.70-0.80) 0.94 (0.89-1.53) 1.14 (0.87-2.15) 0.03* 0.06 0.63 values are median and interquartile range, *= significant