SUVmean including standard deviations in different regions and different PET images.

P-values describe the significance of differences between the anterior and posterior lung regions (p-value a.-p.) in the respective PET.

P值（P-value）用于表征各对应正电子发射断层扫描（Positron Emission Tomography，PET）中肺前区与肺后区间差异的统计学显著性，此类P值标注为p-value a.-p.。