Table 1:
Parameter | Units | [A] | [B] | [C] | ANOVA | Adjusted p-value | ||
---|---|---|---|---|---|---|---|---|
CANA | High BG |
Low BG |
p-value | CANA effect |
CANA normalization |
T2D effect |
||
Cortical Bone | (n = 52) | (n = 43) | (n = 14-16) | A vs. B | A vs. C | B vs. C | ||
Ma.V | --- | 1.17 ± 0.09 | 1.16 ± 0.10 | 1.10 ± 0.09 | (0.0526) | NS | 0.0462 | (0.0886) |
Ct.Ar | mm2 | 0.79 ± 0.04 | 0.76 ± 0.6 | 0.81 ± 0.04 | 0.0005 | 0.0103 | NS | 0.0011 |
Tt.Ar | mm2 | 1.43 ± 0.07 | 1.39 ± 0.07 | 1.41 ± 0.08 | (0.0742) | (0.0592) | NS | NS |
Imin | mm4 | 0.090 ± 0.010 | 0.085 ± 0.009 | 0.092 ± 0.010 | 0.0076 | 0.0166 | NS | 0.0368 |
Section modulus | mm3 | 0.157 ± 0.012 | 0.151 ± 0.013 | 0.158 ± 0.012 | 0.0297 | 0.0424 | NS | NS |
Ct.Th | mm | 0.212 ± 0.010 | 0.205 ± 0.013 | 0.222 ± 0.009 | <0.0001 | 0.0105 | 0.0073a | <0.0001a |
Ct.TMD | mgHA/cm3 | 1282 ± 36 | 1268 ± 35 | 1289 ± 41 | (0.0699)b | NS | NS | NS |
Ct.Po | % | 2.79 ± 0.31 | 2.95 ± 0.33 | 2.65 ± 0.34 | 0.0030 | 0.0378 | NS | 0.0047 |
Stiffness | N/mm | 129 ± 15 | 122 ± 17 | 138 ± 15 | 0.0020 | (0.070) | NS | 0.0019 |
Yield force | N | 17.6 ± 2.0 | 16.3 ± 2.3 | 19.3 ± 1.5 | <0.0001 | 0.0091 | 0.0151 | <0.0001 |
Ultimate force | N | 20.5 ± 1.6 | 19.3 ± 2.3 | 21.4 ± 1.8 | 0.0025c | 0.0332 | NS | 0.0048 |
PYD | mm | 0.267 ± 0.152 | 0.250 ± 0.108 | 0.218 ± 0.121 | NSb | No effects | ||
Work-to-fracture | kJ/m2 | 6.18 ± 1.86 | 5.66 ± 1.45 | 5.95 ± 2.09 | NSb | No effects | ||
Yield stress | MPa | 228 ± 25 | 220 ± 24 | 249 ± 20 | 0.0004 | NS | 0.0087 | 0.0002 |
Ultimate stress | MPa | 262 ± 15 | 257 ± 24 | 271 ± 16 | 0.0486c | NS | NS | 0.0430 |
Modulus | GPa | 15.3 ± 1.7 | 15.4 ± 1.9 | 16.1 ± 1.5 | NS | No effects | ||
Toughness | MJ/m3 | 2.96 ± 0.86 | 2.84 ± 0.75 | 2.76 ± 0.94 | NSb | No effects | ||
PY toughness | MJ/m3 | 1.99 ± 0.85 | 1.98 ± 0.75 | 1.73 ± 0.92 | NSb | No effects | ||
Trabecular Bone | ||||||||
Tb.BV/TV | % | 5.9 ± 1.6 | 4.6 ± 1.2 | 7.6 ± 1.8 | <0.0001b | 0.0006 | 0.0142 | <0.0001 |
Conn.D | mm−3 | 72.8 ± 26.6 | 76.5 ± 23.6 | 80.5 ± 22.9 | NS | No effects | ||
SMI | 0:plates; 3:rods | 2.76 ± 0.26 | 2.83 ± 0.20 | 2.56 ± 0.24 | 0.0007 | NS | 0.0111 | 0.0004 |
Tb.N | mm−1 | 3.29 ± 0.36 | 3.32 ± 0.29 | 3.41 ± 0.31 | NS | No effects | ||
Tb.Th | mm | 0.042 ± 0.005 | 0.036 ± 0.004 | 0.046 ± 0.004 | <0.0001b | <0.0001 | NS | <0.0001 |
Tb.Sp | mm | 0.309 ± 0.036 | 0.303 ± 0.028 | 0.297 ± 0.028 | NSb | No effects | ||
Tb.TMD | mgHA/cm3 | 983.5 ± 40.8 | 959.0 ± 39.7 | 984.9 ± 50.3 | 0.0003b | 0.0003 | NS | (0.058) |
P-value from Dunn’s test because only Ct.Th of TH – Low BG did not pass normality, but the residuals did pass normality.
P-value from Kruskal-Wallis test because residuals did not pass normality
P-value from Kruskal-Wallis test because the SDs were significantly different among the 3 groups