Journal of Obesity / 2012 / Article / Tab 3

Research Article

Leptin Deficiency and Its Effects on Tibial and Vertebral Bone Mechanical Properties in Mature Genetically Lean and Obese JCR:LA-Corpulent Rats

Table 3

Tibial material properties.

LeanObese 𝑛

Modulus of elasticity (GPa)1.60 ± 0.241.59 ± 0.259423
Stress at proportional limit (MPa)27.90 ± 2.81*33.12 ± 6.14
Strain at proportional limit (%)1.97 ± 0.362.29 ± 0.098
Stress at maximal load (MPa)39.53 ± 4.4542.96 ± 6.1638
Strain at maximal load (%)4.60 ± 0.984.58 ± 0.7629705
Mineral ash fraction (%)71.94 ± 0.2872.53 ± 0.439

Values are means ± SD. *denotes statistically significant ( 𝑃 0 . 0 5 ). 𝑛 denotes the sample size per group needed for the recorded differences to become statistically significant based on a power of 0.8.