Concentration parameter analysis for TDE host galaxies and their control samples. The top panel presents the STATMORPH concentration parameter C_stat for TDE host galaxies (star symbols) and their control sample (cross symbols) as a function of M_BH, M_*, and z. The measurements are based on UNIONS images (orange) when available, and SDSS images (blue) otherwise. Importantly, the control sample measurements were weighted-averaged over 500 samples and consistently derived from the same survey as their TDE host galaxy. The bottom panel displays the difference in concentration, ﹩{\rm{\Delta }}{C}_{{\rm{stat}}}={C}_{{\rm{stat}},{\rm{TDE}}}-{\bar{C}}_{{\rm{stat}},{\rm{control}}}﹩, with 1σ error bars. The shaded region indicates the mean ΔC_stat for the UNIONS (orange), SDSS (blue), and combined (green) subsets. A dashed line marks ΔC_stat = 0. The rightmost panel provides a histogram of ΔC for these different samples. Overall, these results demonstrate that TDE host galaxies exhibit a significantly higher concentration parameter compared to their control samples, with an average ΔC_stat = 0.32 ± 0.03, implying TDE host galaxies are ∼16% more concentrated.