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Table 3 Statistical data of logarithmic transformed bending stiffness data

From: In vivo measurement of bending stiffness in fracture healing

Sheep Intercept a from
best fit line
a + b*x
Gradient b from
best fit line
a + b*x
r r2 t p
SH01 -1,28 0.291 0.989 0.977 16.097 < 0.001
SH02 -0.85 0.274 0.899 0.808 3.552 0.038
SH03 -0.84 0.283 0.942 0.887 6.263 0.002
SH04 -0.79 0.227 0.983 0.967 13.176 < 0.001
SH05 -0.86 0.271 0.966 0.934 9.217 < 0.001
SH06 -2.16 0.346 0.955 0.912 7.194 < 0.001
SH07 -0.86 0.265 0.963 0.928 8.771 < 0.001
SH08 -0.95 0.269 0.954 0.910 7.777 < 0.001
SH09 -0.44 0.232 0.876 0.768 3.151 0.051*
SH10 -1.24 0.274 0.995 0.990 24.049 < 0.001
SH11 -1.54 0.326 0.910 0.829 4.918 0.004
SH12 -1.28 0.297 0.974 0.949 10.533 < 0.001
Mean +/- SD    0.950 ± 0.04 0.905 ± 0.07   
  1. * not significant. A linear regression analysis of the logarithmic transformed bending stiffness data versus time. Statistical data are represented in the above table. In all but one sheep, the transformed data showed a high degree of linearity, confirming the logarithmic increase of bending stiffness over time.