highly significantp ≤ 0.001
UTS negatively correlated with the age of the donors at a highly significant level ( p ≤ 0.001; r = 0.285), but was statistically insignificant with regards to sex ( p = 0.782), side ( p = 0.794), thickness ( p = 0.073), PMI ( p = 0.470) and water content ( p = 0.169).