Mean RBEs and their standard deviations (SD) for the track-structure effect estimated from <i>d</i>_ave(<i>y</i>) in combination with the <i>Q</i>(<i>y</i>) relationship.

The p-values obtained from Welch’s t-test between the average quality factors for each internal exposure and the reference condition are also given.同时给出了通过韦尔奇t检验（Welch’s t-test）计算得到的各内部暴露组平均品质因数与参照条件之间的p值。